Is it ensure, insure, or assure?
word-forming element meaning "same, the same, equal, like," before vowels hom-, from Greek homos "one and the same," also "belonging to two or more jointly," from PIE *somos (cf. Sanskrit samah "even, the same," Lithuanian similis "like," Gothic sama "the same," samana "together;" see same).
Latin, literally "behold the man" (John xix:5).
homo- or hom-
Same; like: homotype.
A prefix meaning "same," as in homogamous, having the same kind of flower.
: homo slang/ a homo barnoun
A homosexual man or woman: I knew nothing about ''homos'' at that time (1929+)