I'm writing a scientific paper about two obtained results: an experimental result and a numerical one. Because the two agree well with each other, I may use the term "agreeability" to describe their relation. For instance, I may write "a good agreeability of the numerical result with the experimental one was achieved". However, after searching on the web I found that the term "agreeability" is uncommon (actually, this website regards it as an orthographic error) and it is better used when describing someone's personality trait.

I ask you then some other words that may replace the term "agreeability" and could be used within a scientific context. I know that I could write something like "thing A agrees well with thing B", which is correct, but I really would like a single word (or not much more than one), more specifically, a noun that could describe the relation.

  • 1
    That is not the best choice of word. The numerical and experimental results cohere. There is coherence between A and B. A and B are coherent.
    – Lambie
    Commented Jul 26, 2021 at 15:31
  • Indeed "coherence" seems to be a good choice. Commented Jul 26, 2021 at 15:55
  • 1
    Plain English always works well, even in a science paper: The experimental result was consistent with the numerical one. Commented Jul 26, 2021 at 16:30
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    Would just agreement, in agreement with, agree with or degree of agreement work for the meaning you intend?
    – DjinTonic
    Commented Jul 26, 2021 at 16:35
  • @Djin Tonic I think that "agreement" may actually work since I'm looking for a noun and not a verbal form. I would accept words such as "coherence" (as Lambie commented), and "concordance" (as NuclearHoagie answered). Commented Jul 26, 2021 at 16:42

4 Answers 4


I suggest agreement/in agreement along with degree/measure of agreement
These and the verb to agree itself offer flexibility in sentence structure.

in agreement idiom 1: agreeing : concurring Everyone seems to be in agreement about/on the need for reform, but there is much disagreement about how to achieve it. m-w

be in agreement phrase
3. if a set of facts is in agreement with another, they both show or prove the same thing
be in agreement with: These recent findings are in agreement with our previous conclusions. macmillan

Theory and experiment are in agreement for a = 0°, but differ, especially on the flare, for other angles of attack.

...and agreement with experiment is excellent.

p.18 of a 1966 paper.

Despite this, six of seven studies comparing honey to other treatments, both conventional and unconventional, showed it to be superior for wound healing, maintenance of sterility or eradication of infection. The degree of agreement is considerable...

Systematic review of the use of honey as a wound dressing (2001)

Kappa is a so-called chance corrected measure of agreement. Before Kappa, there were some attempts to quantify the degree of agreement between two raters, and what follows is...

Advanced Bayesian Methods for Medical Test Accuracy (2016) p.163


The theoretical predictions and the experimental results were compatible. The noun is compatibility.

compatible [adjective]

1 (of two things) able to exist or occur together without conflict.

  • the fruitiness of Beaujolais is compatible with a number of meat dishes



  • The maximum of CNR for simulated data is found at 26 keV which is compatible with the experimental finding ...

[Nature; Scientific Reports]


I'd use the word concordance here, which simply indicates agreement or consistency - the two methods produced results with high concordance, or the results were highly concordant. You could also use the word agreeance to indicate the state of being in agreement, but it's less commonly used and will sound a bit unusual.

Agreeability more refers to the trait of being agreeable (able to reach an agreement) rather than being in a state of agreement. Someone who has high agreeability is easygoing and not too picky, but it doesn't indicate that they agree with some particular opinion or thought.

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    Nobody says 'agreeance'. Commented Jul 26, 2021 at 15:52
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    @Michael Harvey If (ever) spoken, I'd hear agreeance as a grievance :-)
    – DjinTonic
    Commented Jul 26, 2021 at 16:52
  • @DjinTonic - Oxford says 'Scottish, now sometimes regarded as non standard'. I gather they say it in New Zealand. Commented Jul 26, 2021 at 16:59

The prediction shows good agreement with the experimental results.

I'd suggest adding the word good to emphasize that the results are not just in agreement but have a low degree of misalignment.

The segmentation results show good agreement with ground-truth validation...

Reference link

  • 1
    I took the "good" and "agrees well" in the question as examples. Results, for example, can range from being in terrible agreement to being in perfect agreement.
    – DjinTonic
    Commented Jul 27, 2021 at 16:41

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