Source of iodine.
The crossword clue "Source of iodine." is answered by KELP, a 4-letter entry. Used 13 times across 13 distinct years; most recently in 2010; first recorded in 1954. 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
KELP
4 letters. See every clue for this answer on the KELP answer page.
Used 13 times across 13 distinct years; most recently in 2010; first recorded in 1954. It appears in 4 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for KELP
Every other clue in this collection answered by KELP, most used first.
- Iodine source - used 47 times, most recently in 2026
- Seaweed - used 45 times, most recently in 2026
- Brown seaweed - used 41 times, most recently in 2026
- Edible seaweed - used 23 times, most recently in 2025
- Large seaweed - used 18 times, most recently in 2026
- Large brown seaweed - used 17 times, most recently in 2025
- Seaweed variety - used 14 times, most recently in 2022
- Food for sea urchins - used 7 times, most recently in 2020
- Iodine-rich seaweed - used 6 times, most recently in 2024
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.
- Poi source - TARO, used 178 times
- Roe source - SHAD, used 132 times
- Sugar source - CANE, used 126 times
- Sugar source - BEET, used 100 times
- Fiber source - BRAN, used 84 times
- Source - ROOT, used 81 times
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