Belief system
The crossword clue "Belief system" is answered by ISM, a 3-letter entry. Used 54 times across 25 distinct years; most recently in 2026; first recorded in 1994. It appears in 19 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
ISM
3 letters. See every clue for this answer on the ISM answer page.
Used 54 times across 25 distinct years; most recently in 2026; first recorded in 1994. It appears in 19 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.
- IDEOLOGY (7 uses in xd)
- THEISM (3 uses in xd)
Other clues for ISM
Every other clue in this collection answered by ISM, most used first.
- Doctrine - used 328 times, most recently in 2026
- Belief - used 114 times, most recently in 2026
- School of thought - used 86 times, most recently in 2026
- Ideology - used 31 times, most recently in 2026
- School-of-thought suffix - used 27 times, most recently in 2026
- Theory - used 27 times, most recently in 2007
- Distinctive doctrine - used 24 times, most recently in 2026
- Philosophy - used 22 times, most recently in 2025
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.
- Prefix with system - ECO, used 58 times
- Blood-typing system - ABO, used 53 times
- System starter - ECO, used 49 times
- PC linking system - LAN, used 44 times
- ___ Bo (exercise system) - TAE, used 25 times
- Decimal system base - TEN, used 24 times
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