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 collection 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 collection 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
- Obligation - used 74 times, most recently in 2026
- Cross to bear - used 68 times, most recently in 2026
- Blame - used 42 times, most recently in 2024
- Heavy load - used 41 times, most recently in 2026
- Weight - used 35 times, most recently in 2026
- Heavy duty - used 30 times, most recently in 2026
- Difficult duty - used 25 times, most recently in 2024
- Big burden - used 23 times, most recently in 2026
- Difficult burden - used 22 times, most recently in 2025
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.
- Burden - LOAD, used 128 times
- Beasts of burden - OXEN, used 82 times
- Proof of ownership - DEED, used 48 times
- Oxen's burden - YOKE, used 25 times
- Husky's burden - SLED, used 24 times
- Proof word - ERGO, used 22 times
Search the clue collection
Search by clue words or by answer, or type a pattern with the letters you have and a blank for each square you do not know. The characters _ ? . and - all work as blanks.