The clue "Certain acid" last appeared in the USA Today crossword on February 29, 2016. The correct answer for this puzzle is "AMINO", a 5-letter word.
Solution AMINO is our most searched for solution by our visitors. Solution AMINO is 5 letters long. We have 0 further solutions of the same word length.
There are 2 solutions. The longest is AMINO with 5 letters, and the shortest is URIC with 4 letters.
No, "CERTAIN ACID" hasn´t seen a spike right now. Solvers are most interested in: mess, Dam, Faster, Passion and Dormant.
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Solutions are between 4 and 5 letters long.