Correct spelling, explanation: indisputable may seem complicated, as there are two suffixes, and the structure is as follows: in + dispute + able, but fortunately, it’s rather regular. The only complication is that the e in dispute is omitted, but it’s because in English we generally shorten ea to just a, so the word’s spelling is indisputably indisputable.
Definition of indisputable:
adjective
1. not to be questioned, certain
There is no indisputable evidence of the existence of UFOs.
Albert Einstein is considered to be an indisputable math genius.
Incorrect spelling, explanation: suffixes -able and -ible have the same meaning, so you may be unsure which one to use. In the case of words where there is a base word, which, in this case, is dispute, it’s correct to use able. In the case of words that do not work independently (like ed in edible), it’s proper to use -ible. By this logic, indisputible is incorrect, and the only correct spelling is indisputable.
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It’s on puprose – Google sometimes corrects misspellings and we still want to be there!
Note that the title says: “Indisputable or indisputable?” which is not really a question. And then there is a diff check between indisputable and indisputible, which is a valid comparison.
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