Is “Cohabit” a Scrabble word?
Yes
COHABIT
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Cohabit
verb
1.To live together with someone else, especially in a romantic and sexual relationship but without being married.
2.To coexist in common environs with.
3.To engage in sexual intercourse; see coition.
Synonyms: fornicate, have sex, make love, cohabitate