Sperms rhymes with:
affirms, berms, confirms, firm's, firms, firms', germs, herms, reaffirms, squirms, term's, terms, worm's, worms
Sperms sounds like:
safranek, savoring, schiferon's, schizophrenic, schubring, scuppernong, sebring, severance, severing, severns, sfernice, shivering, sobering, sofranko, sopranos, sovran's, sovrans, sparing, sparring, spearing, speranza, spiering, sprains, sprang, spraying, spreng, spring, spring's, springs, sprong, sprung, spurning, spurns, spurring, suffering, sufferings, supermac, superman's, supremacy, supremes, szafranski