O.T. book
The crossword clue "O.T. book" is answered by ISA, a 3-letter entry. Used 22 times across 15 distinct years; most recently in 2015; first recorded in 1962. It appears in 5 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
ISA
3 letters. See every clue for this answer on the ISA answer page.
Used 22 times across 15 distinct years; most recently in 2015; first recorded in 1962. It appears in 5 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.
- OBAD (17 uses in xd)
- EZEK (15 uses in xd)
Other clues for ISA
Every other clue in this collection answered by ISA, most used first.
- "This ___ test" - used 77 times, most recently in 2026
- "Patience -- virtue" - used 48 times, most recently in 2026
- "This ___ recording" - used 38 times, most recently in 2026
- "This ___ stickup!" - used 32 times, most recently in 2025
- "The Lady __ Tramp" - used 30 times, most recently in 2016
- "Rose -- rose ..." - used 27 times, most recently in 2026
- "Life -- cabaret ..." - used 21 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.
- "Guinness Book" suffix - EST, used 99 times
- Frank McCourt book - TIS, used 48 times
- Ref. book - ENC, used 39 times
- O.T. book - NEH, used 38 times
- "Little Red Book" author - MAO, used 34 times
- Book before Esth. - NEH, used 26 times
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