Guerrillas' rhymes with:
gorillas, guerillas, guerrillas, gorillas, guerillas, guerrillas, attila's, casillas, gorillas, guerillas, guerrillas, kabila's, mancillas, manila's, pasillas, priscilla's, scillas, skoczylas, villa's, villas
Guerrillas' sounds like:
garelick, garlic, garlick, garlicky, garlock, garols, garrels, garrols, garrulous, gerlach, gerlich, gerlock, girl's, girlish, girls, girls', goralski, gorelick, gorillas, greulich, greylag, grills, groulx, growls, gruhlke, grulke, guerillas, guerrillas