Nicknames for Cosmos
7 nicknames, sorted by where they actually get used.
Office-safe
Cos
formal
Cosm
formal
Playground-friendly
Cosmy
casual
Cosmie
casual
Coy
casual
Coie
casual
Family nicknames
Coskins
endearment
About Cosmos nicknames: Most parents pick Cosmos for the full formal sound. Then they reach for a shorter form at home. The office version and the playground version are usually different — that's the split above.