Letters of credit
The crossword clue "Letters of credit" is answered by IOU, a 3-letter entry. Used 30 times across 22 distinct years; most recently in 2024; first recorded in 1925. It appears in 10 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
IOU
3 letters. See every clue for this answer on the IOU answer page.
Used 30 times across 22 distinct years; most recently in 2024; first recorded in 1925. It appears in 10 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other answers for this clue
The same clue has also been answered these ways in the xd corpus. Answers inside this collection link to their own answer page.
- CR (1 uses in xd)
Other clues for IOU
Every other clue in this collection answered by IOU, most used first.
- Debtor's letters - used 249 times, most recently in 2026
- Chit - used 129 times, most recently in 2026
- Debtor's note - used 92 times, most recently in 2026
- Marker - used 88 times, most recently in 2026
- Promissory note - used 40 times, most recently in 2025
- Promise to pay - used 34 times, most recently in 2026
- Debt letters - used 24 times, most recently in 2026
- Debt note - used 24 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.
- Genetic letters - RNA, used 265 times
- Explosive letters - TNT, used 225 times
- Letters before an alias - AKA, used 194 times
- Alias letters - AKA, used 146 times
- Battleship letters - USS, used 124 times
- Ambulance letters - EMS, used 111 times
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