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"yes" is also used as a crossword clue. If that's what you saw, the answer is often yea (3 letters).
Definitions
An affirmative answer
Word origin
From Middle English yes, from Old English ġīese (“by all means, of course, yes”), derived from the same root as yea. Compare Faroese júsá (“yes, indeed, certainly”).
Used in a sentence
“Yes, you are correct.”
“Yes, you may go play outside now.”
“Yes, sir, we have your package right here.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer9 curated clues
01“Affirmative answer”3 letters
02“Affirming word”3 letters
03“Agreeing answer”3 letters
04“Approval answer”3 letters
05“Consent answer”3 letters
06“Consent word”3 letters
07“Word of agreement”3 letters
08“Word of consent”3 letters
09“Positive reply”3 letters
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