spermatozoan

noun 0.838

spermatozoon

noun 0.835

sperm

noun 0.758

spermatid

noun 0.689

spermatocyte

noun 0.647

spermatogonium

noun 0.625

gamete

noun 0.615

spermicide

noun 0.596

sperm whale

noun 0.589

spermiogenesis

noun 0.565

spermatheca

noun 0.563

sperm bank

noun 0.552

zoospore

noun 0.551

sporozoite

noun 0.550

spore

noun 0.546

spermatic cord

noun 0.542

zygote

noun 0.541

inseminator

noun 0.536

flagellum

noun 0.525

oligozoospermia

noun 0.525

seminiferous tubule

noun 0.524

zygospore

noun 0.520

sporophyte

noun 0.516

protozoon

noun 0.516

sporangium

noun 0.515

zooid

noun 0.507

gametocyte

noun 0.507

tadpole

noun 0.506

microspore

noun 0.502

spirochete

noun 0.502

pollen grain

noun 0.502