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The word explanation is often spelt as explaination.

Where did this come from?
Which part of the world commonly uses this?

closed as off-topic by Mari-Lou A, Drew, tchrist, Misti, Nicole Apr 17 '15 at 15:11

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  • @Josh61 I understand that. I meant to ask about its origin. Or is it used everywhere? – lemm Apr 16 '15 at 10:32
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    The origin is probably the fact that people think about the verb expla(i)n when they write explanation and erroneously they think it is spelled expla(i)nation. – user66974 Apr 16 '15 at 10:36
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    I think it is just a common mispelling, with no geographical or other specific context. – user66974 Apr 16 '15 at 10:54
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    Ironically, the word misspelling was misspelled as mispelling, it should be mis + spell, some would even say that misspelled (AmEng) should really be misspelt (BrEng). – Mari-Lou A Apr 16 '15 at 12:00
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    I'm voting to close this question as off-topic because it is based on a false premise. – Mari-Lou A Apr 16 '15 at 12:04
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Expla(i)nation is a misspelling of explanation, probably due to the fact that it is the noun form of the verb to explain.

Explanation:

  • late 14c., from Latin explanationem (nominative explanatio) "an explanation, interpretation," noun of action from past participle stem of explanare "to make plain or clear, explain," literally "make level, flatten," from ex- "out" (see ex-) + planus "flat" (see plane (n.1)).(etymonline)

Ngram: explanation vs explaination.

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