Sub system
The crossword clue "Sub system" is answered by SONAR, a 5-letter entry. Used 46 times across 20 distinct years; most recently in 2026; first recorded in 1998. It appears in 11 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
SONAR
5 letters. See every clue for this answer on the SONAR answer page.
Used 46 times across 20 distinct years; most recently in 2026; first recorded in 1998. It appears in 11 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for SONAR
Every other clue in this collection answered by SONAR, most used first.
- Sub detector - used 73 times, most recently in 2026
- Submarine detector - used 53 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.
- WWII sub - UBOAT, used 105 times
- German sub - UBOAT, used 88 times
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