A prefix is an affix which is placed before the stem of a word

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Why do we say INcomplete but UNcompleted?

I'm a native speaker and it's just occurred to me that this is a strange irregularity: "The work is incomplete." < Fine "The work is uncompleted." < Less common but still sounds ...
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Is there any relationship between the “theo” in “theoretical” and that in “theology”?

The title is rather self-explanatory, but the notion that "theory" has some etymological connection, remote or intentional, to concepts of God i.e. "theology", is intriguing to me. If they're ...
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What is the difference between “Hept-” and “Sept-” prefixes?

As I understand it, both the prefixes "Hept-" and "Sept-" are used to indicate seven of something. We have examples of English words that use both: e.g. Heptathalon, Heptagon, Heptane vs ...
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Proper term for knowing four or more languages?

If bilingual means you know two languages, and trilingual means you know three, what would be the proper term for knowing four, five or even six languages?
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Logically, could the word “University” mean the opposite of “Diversity”?

DI- twice; two-; double. DI-VERSE: showing a great deal of variety; very different. DI-VERS-ITY: the state of being diverse; variety. UNI- one; having or consisting of one. While, by ...
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Definitive way to separate prefixes from roots

Prefixes and suffixes change the meaning of roots, therefore to properly analyze a word it is often helpful to know what is the prefix and what is the root. Prefixes are a syllable or syllables in ...
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“Re” prefix vs remote

My first post here, hello everyone. :) Feel free to suggest changes to this question. I was just wondering why is the word remote unlike the other words starting with “re” like replay, reply, ...
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Why are there two Rs in “arrhythmic”?

It seems to me combining "a-"and "rhythmic" would intuitively be spelled "arhythmic". Is there a rule or some other practical reason that it's spelled arrhythmic?
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“para-” in words like “paraglider” and “parabrake”

As is well known, para-, in its meaning of "alongside or beyond", is derived from Greek loanwords such as paraphrase and parasite, while its meaning of "against" is derived from the Latin "be ...
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133 views

Prefix 'mono' + 'o-'

Monobjective vs monoobjective. I do not know which of both words is right in English. Context: scientific/formal. Example: "monoobjective optimization". Is there any general rule in English about ...
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33 views

Which word is most correct in this case: re-settle or resettle?

In reference to the word settle as it pertains to the specific definition: Determine; decide on: There is some debate internally on whether to use the word resettle which only has one ...
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“Not able to” vs. “unable to”

Which phrase is more suitable to convey one's inability to do something — "not able to" or "unable to"? For example, not able to join the meeting unable to join the meeting
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Is there a prefix that indicates that an event recurs four times a year?

"Semi-annually" describes an event that recurs every 6 months. Is there a similar term for an event that recurs every 3 months? (I'm guessing that "semi-semi-annually" isn't the correct answer.) More ...
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A synonym for the prefix intro~

Good afternoon, While working on a philosophical paper I came across a slight problem and while I searched for an answer on my own, I seem predisposed to not find any, at least not in the sense of an ...
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1answer
118 views

Difference between “infinite” and “indefinite”

I have found that infinite means "very great in amount of degree" while indefinite refers to "a period of time that has no defined end." Is there a subtle, nuanced difference between these terms, or ...
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Are there prefixes which have the meaning 'originating from within', or 'originating from outside'?

I'm looking for prefixes which mean that something emanates/flows/comes from inside / outside, as opposed to existing / being located inside' ('endo-'), or 'existing / being located outside' ('exo-'). ...
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Did 'inter-' evolve to mean 'together'?

entertain (v.) (<--) late 15c., "to keep up, maintain, to keep (someone) in a certain frame of mind," from Middle French entretenir, from Old French entretenir "hold together, stick ...
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Word for a person who knows two or three languages

A polyglot is a person who is fluent in many languages, but what do we call a person who is fluent in only two or three languages? Is bi-glot a proper term for this? I don't think the words ...
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202 views

Is there a fraction prefix for “(one-)third”?

I am a mathematician, working with things called 1⁄k-regular polytopes, dubbed thus by Conway. For the case of k = 2, as in ½-regular, it is naturally pronounced and written half-regular. However, I ...
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Etymology for “Mc‑” and “O’‑” prefix in surnames

There is clearly a prefix in names like McDonald, McChrystal, O’Brian, O’Neal. What does this Mc- and O- prefix signify? It looks like Donald, Chrystal, Brian, Neal are perfectly fine names on their ...
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What's the distinction between “nonessential” and “inessential”?

I'm revising a text that uses the word "nonessential", but my ear is telling me "inessential." Usually when there are two very similar words like this, there is some subtle (or not so subtle) ...
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“pre-” and “post-”, but what about “suf-”?

Is there a prefix related to “suf-” the way “pre-” is related to “post-”? In my opinion, “pre-” seems to mean leading, “post-” means bringing up the rear (like a post script). “suf-” would seem to ...
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“Inter-”, “multi-”, “cross-”, “trans-” in relation to disciplines

In academia the words inter-discipline, multi-discipline, trans-discipline, or cross-discipline are used to describe a type of combination between different disciplines or the uniqueness of a field. ...
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1answer
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On a peculiar use of the preposition/adverb “out”

It can be placed before the stem of many a word to produce verbs of a very distinctive kind! For example: outdate, outgrow, outlay, outlive, outmatch, outnumber, outrun, outsmart, outsource, ...
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What prefix corresponds to something on the same level?

I am working on modeling a problem for a computer program and am having a tough time coming up with the proper naming convention I would like to use. Specifically I am working with a finite state ...
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Is there a nuance in meaning between 'non-managed' and 'unmanaged'?

Context: I am writing about 'devices not managed by professionals' and debating the subtleties between non-managed devices vs. unmanaged devices
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I`m just curious about how to speak “anti-” is correct? [closed]

I`m just curious about how to speak "anti-" is correct? it`s like ant/ai/ or ant/i/??
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Is it ok to use Er. if a person is engineering degree holder [duplicate]

Its usual that we see doctors use Dr. Title, but I have also seen engineers use title - Er. Is this practise allowed, approved? I have seen few name boards like that in India.
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“Undistinguishable” vs. “indistinguishable”

Is there a difference between these two words? To me, it seems that undistinguishable is more where you can't tell what it is, and indistinguishable seems to be where they're the same. It seems a lot ...
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Change of form of some (Latin) prefixes like ex-, ad- into ef-, a-: are there rules or conditions?

There are many cases of prefixes changing their forms. For example ex- can change to ef- in front of f, e.g. effusion. ad- becomes a- in front of b, e.g. abate. Are there some more general rules ...
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Is “incomplex” a legitimate word?

I want to create a poster titled "An Incomplex Introduction to Complexity-based Cryptography." As you see, it contrasts the words incomplex and complexity. (Words like simple or easy do not provide ...
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Why is it “behead” and not “dehead”?

The be- prefix in behead doesn't seem to match similar words like become, besmirch, or befuddle. Of course, the same prefix could serve different roles depending on the word. What role is be- serving ...
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Why is “quadratic” used to describe second power when “quad” means “four”?

In mathematics, quadratic means "involving the second and no higher power of an unknown quantity or variable". But the prefix quad- usually describes something that has to do with four, such as ...
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Proper usage of Prefix “UN” is there a word as “UNSWAPPING”

A closed group in Facebook bash me for asking them if there's such word as "UNSWAPPING" I reached Google and Dictionaries of which I failed to find this word. Yes, there's an adjective "unswapped" but ...
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What are antonym-like prefixes to the Greek “crypto”?

What is a prefix that is similar to "public", or "accessible", or "ubiquitous" such that it is harmonious with the spirit of currency needing to be of public domain, widely adopted, accessible, etc. ...
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Add the prefix A to various words [closed]

I've seen several threads about the prefix "a" and its various uses. Can we simply add this prefix to change the meaning of words to mean "not"? ie. asymmetrical, apolitical etc. As long as the word ...
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intro- vs. intra-

I recently found out that “extrovert” is a misspelling and that it’s actually written extravert. That makes sense, because other words use the same prefix, e.g. extraordinary, extradite, etc., but ...
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What does the prefix iso- mean in “isolate”? [closed]

My question is referring to the prefix iso- and its meaning in the word isolate. My question is, if the prefix means equal, how does that make sense in the word isolate?
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What comes in between predecessor and successor?

I'd like a good word for "current item in a succession of items". Let's say I am looking ahead, towards my successor. Back behind me, I can also see my predecessor. What am I? I'd hate to use the ...
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1answer
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Why “unequal” but “inequality”?

The opposite of "equal" is "unequal", yet there is no word "unequality". Why do we use "inequality" instead?
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To outstay vs. overstay one's welcome

I came across the expression "outstayed my welcome" in the following excerpt of a novel I glance around and see that the café has filled up with people ordering lunch and that a couple is queuing ...
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2answers
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Is “to” a prefix in English?

I was thinking about the words "today" and "tonight" and trying to think of what "to" means in these words. A cursory Google search turns up no results for "to" in any prefix lists.
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adding a prefix “re” to a word, with or without a hyphen?

In science we often invent words, but that doesn't mean we know how to spell them. Most of the time words are invented by adding prefixes. In that case should there be a hyphen or not? Specifically, I ...
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1answer
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“Unauthentic” vs. “inauthentic” [closed]

Is there really no difference between inauthentic and unauthentic? If there is, which is more correct?
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1answer
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Are products of wordsmithing proper english?

Several languages in which English has its roots have easily definable rules. For example, sticking "A" in from of an adjective can mean the opposite of that adjective (Asymmetrical, symmetrical), ...
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Are there many words that come with “a” as the prefix to mean “no, non” like “asymptomatic” and “apolitical”?

I didn’t know the word, “asymptomatic” to my shame, until I heard the following narration in AP Radio news aired on October 27 through AFN network: “Dr. Anthony Fauci with the NIH says CDC ...
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Are there other words which share the prefix “ig” to mean opposite, such as ignoble? [closed]

I'm wondering what other words share this prefix. Ignore (ignorance) comes to mind, though not strictly opposite (as "nore" is not a word. Nor is "norance"). Though the implication of "lacking ...
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1answer
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What's the difference between unapproachable and inapproachable? [closed]

Could anyone explain why does it have two versions, because as far as I know, there are some rules of formation of antonyms. Isn't there should be only one proper prefix? Or both are possible? Thank ...
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What is the difference between a “prefix” and a “combining form”?

According to ODO, mini- is classified as a combining form. How exactly is this different from a prefix (or an affix, in general)? Can combining forms also be prefixes?
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Is it correct to use un-tinted or non-tinted in this use?

Related forms nontinted, adjective overtint, verb overtint, noun retint, verb (used with object) untinted, adjective Source: http://dictionary.reference.com/browse/untinted?s=t One ...