Sour substances
The crossword clue "Sour substances" is answered by ACIDS, a 5-letter entry. Used 9 times across 9 distinct years; most recently in 2017; first recorded in 1949. It appears in 3 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
ACIDS
5 letters. See every clue for this answer on the ACIDS answer page.
Used 9 times across 9 distinct years; most recently in 2017; first recorded in 1949. It appears in 3 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for ACIDS
Every other clue in this collection answered by ACIDS, most used first.
- Litmus reddeners - used 29 times, most recently in 2026
- Lab liquids - used 24 times, most recently in 2026
- Corrosive liquids - used 21 times, most recently in 2026
- Corrosive chemicals - used 16 times, most recently in 2026
- They turn litmus paper red - used 15 times, most recently in 2024
- Corrosive compounds - used 14 times, most recently in 2026
- Corrosive substances - used 12 times, most recently in 2023
- Low-pH substances - used 11 times, most recently in 2025
- Etching fluids - used 10 times, most recently in 2025
- Etchers' fluids - used 8 times, most recently in 2018
- Low-pH compounds - used 8 times, most recently in 2022
- Low-pH liquids - used 7 times, most recently in 2024
- Some are fatty - used 6 times, most recently in 2012
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.
- Sour - ACERB, used 43 times
- Sour-tasting - ACERB, used 22 times
- Taste that's not sweet, sour, bitter or salty - UMAMI, used 14 times
- He wrote of "sour grapes" - AESOP, used 11 times
- Pancakes served with sour cream - BLINI, used 11 times
- ___ a sour note - ENDON, used 8 times
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