Underlying principle
The crossword clue "Underlying principle" is answered by BASIS, a 5-letter entry. Used 10 times across 9 distinct years; most recently in 2025; first recorded in 1999. It appears in 5 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
BASIS
5 letters. See every clue for this answer on the BASIS answer page.
Used 10 times across 9 distinct years; most recently in 2025; first recorded in 1999. It appears in 5 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for BASIS
Every other clue in this collection answered by BASIS, most used first.
- Foundation - used 146 times, most recently in 2026
- Groundwork - used 45 times, most recently in 2026
- Grounds - used 43 times, most recently in 2026
- On a need-to-know ___ - used 20 times, most recently in 2026
- Starting point - used 13 times, most recently in 2025
- Fundamental principle - used 11 times, most recently in 2016
- Rationale - used 11 times, most recently in 2026
- Cornerstone - 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.
- Principle - TENET, used 183 times
- Moral principle - ETHIC, used 89 times
- Basic principle - TENET, used 64 times
- Palindromic principle - TENET, used 38 times
- Guiding principle - CREDO, used 37 times
- Guiding principle - TENET, used 34 times
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