Multimate rhymes with:
acclimate, amalgamate, automate, breakmate, checkmate, classmate, decimate, dichromate, glucosamate, glutamate, inmate, overestimate, papermate, phonemate, playmate, primate, roommate, schoolmate, shipmate, shoemate, shumate, stalemate, teammate, underestimate, unimate
Multimate sounds like:
maldonado, militant, multimedia