Certain acid
The crossword clue "Certain acid" is answered by AMINO, a 5-letter entry. Used 6 times across 5 distinct years; most recently in 2016; first recorded in 1996. It appears in 4 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
AMINO
5 letters. See every clue for this answer on the AMINO answer page.
Used 6 times across 5 distinct years; most recently in 2016; first recorded in 1996. It appears in 4 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other answers for this clue
The same clue has also been answered these ways in the xd corpus. Answers inside this collection link to their own answer page.
Other clues for AMINO
Every other clue in this collection answered by AMINO, most used first.
- ___ acid - used 177 times, most recently in 2026
- Acid type - used 134 times, most recently in 2026
- Kind of acid - used 116 times, most recently in 2026
- ___ acids - used 106 times, most recently in 2026
- Type of acid - used 60 times, most recently in 2024
- Essential ___ acids - used 46 times, most recently in 2026
- Acid in proteins - used 44 times, most recently in 2026
- Protein-building acid - used 32 times, most recently in 2026
- ___ acid (protein component) - used 29 times, most recently in 2026
- Essential acid - used 25 times, most recently in 2026
- Protein acid - used 21 times, most recently in 2026
- Kind of acid in proteins - used 18 times, most recently in 2026
- ___ acid (protein building block) - used 12 times, most recently in 2026
- ___ acid (protein part) - used 12 times, most recently in 2025
- PABA part - used 11 times, most recently in 2015
- ___ acid (protein builder) - used 10 times, most recently in 2025
- ___ acids (protein components) - used 10 times, most recently in 2026
- Kind of acid in protein - used 10 times, most recently in 2025
- Acid variety - used 8 times, most recently in 2026
- Type of acid in proteins - used 8 times, most recently in 2026
- Essential acid type - used 7 times, most recently in 2026
- Part of PABA - used 7 times, most recently in 2011
- Acid head? - used 6 times, most recently in 2016
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- More certain - SURER, used 46 times
- Certain fisherman - EELER, used 30 times
- Certain Arab - OMANI, used 29 times
- Acid-alcohol compound - ESTER, used 28 times
- Kind of acid - BORIC, used 27 times
- Certain exams - ORALS, used 24 times
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