Immune system agent
The crossword clue "Immune system agent" is answered by TCELL, a 5-letter entry. Used 24 times across 13 distinct years; most recently in 2026. It appears in 10 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
TCELL
5 letters. See every clue for this answer on the TCELL answer page.
Used 24 times across 13 distinct years; most recently in 2026. It appears in 10 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for TCELL
Every other clue in this collection answered by TCELL, most used first.
- Immune system component - used 38 times, most recently in 2026
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.
- Leavening agent - YEAST, used 50 times
- Sub system - SONAR, used 46 times
- Value system - ETHIC, used 41 times
- Diplomatic agent - ENVOY, used 26 times
- Navigation system - LORAN, used 25 times
- Navigational system - LORAN, used 23 times
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