Sunscreen letters
The crossword clue "Sunscreen letters" is answered by SPF, a 3-letter entry. Used 42 times across 21 distinct years; most recently in 2025; first recorded in 2002. It appears in 12 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
SPF
3 letters. See every clue for this answer on the SPF answer page.
Used 42 times across 21 distinct years; most recently in 2025; first recorded in 2002. It appears in 12 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.
- PABA (3 uses in xd)
- UVB (1 uses in xd)
Other clues for SPF
Every other clue in this collection answered by SPF, most used first.
- Tanning lotion letters - used 55 times, most recently in 2026
- Lotion letters - used 42 times, most recently in 2026
- Sunblock letters - used 38 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
- Debtor's letters - IOU, used 249 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
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