Burden of proof
The crossword clue "Burden of proof" is answered by ONUS, a 4-letter entry. Used 86 times across 29 distinct years; most recently in 2019; first recorded in 1978. It appears in 14 publications in the xd corpus. Every figure on this page comes from the pilot data itself.
The answer
ONUS
4 letters. See every clue for this answer on the ONUS answer page.
Used 86 times across 29 distinct years; most recently in 2019; first recorded in 1978. It appears in 14 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for ONUS
Every other clue in this pilot answered by ONUS, most used first.
- Burden - used 687 times, most recently in 2026
- Responsibility - used 227 times, most recently in 2026
- Heavy burden - used 102 times, most recently in 2026
Related clues
Pilot clues 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.
- Leave out - OMIT, used 929 times
- Spoken - ORAL, used 725 times
- Aware of - ONTO, used 619 times
- Killer whale - ORCA, used 553 times
- Approximately - ORSO, used 489 times
- Hodgepodge - OLIO, used 469 times
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