Sphere starter
The crossword clue "Sphere starter" is answered by ATMO, a 4-letter entry. Used 29 times across 21 distinct years; most recently in 2026. It appears in 10 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
ATMO
4 letters. See every clue for this answer on the ATMO answer page.
Used 29 times across 21 distinct years; most recently in 2026. 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.
- IONO (3 uses in xd)
- TROPO (3 uses in xd)
- STRATO (2 uses in xd)
Other clues for ATMO
Every other clue in this collection answered by ATMO, most used first.
- Prefix with sphere - used 48 times, most recently in 2026
- Vapor: Prefix - used 34 times, most recently in 2013
- Air: Prefix - used 23 times, most recently in 2015
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.
- Pot starter - ANTE, used 158 times
- Poker pot starter - ANTE, used 92 times
- Memo starter - INRE, used 86 times
- URL starter - HTTP, used 75 times
- Fairy tale starter - ONCE, used 66 times
- Prefix with sphere - HEMI, used 66 times
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