Crossword clues - Answer
ISAAC
ISAAC is a 5-letter crossword answer with 1 clues in this pilot. Across those clues it has 104 usages in the xd corpus, most recently in 2026. Every figure on this page comes from the pilot data itself.
The answer
ISAAC
ISAAC
5Letters
1Clues in pilot
104Combined xd usages
2026Most recent year
Combined usages add the xd usage counts of every clue below. Frequency figures come from the xd crossword corpus only.
Every clue for ISAAC in this pilot
Most used first. Each clue opens its own page with the full usage history for that pairing.
- Sir __ Newton - used 104 times across 28 distinct years, most recently in 2026
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