spermatocyte

noun 0.742

spermatogonium

noun 0.726

spermatozoan

noun 0.705

sperm

noun 0.703

spermatozoon

noun 0.701

spermatozoid

noun 0.689

spermiogenesis

noun 0.687

spermidine

noun 0.636

spermatheca

noun 0.623

seminiferous tubule

noun 0.597

gamete

noun 0.597

tadpole

noun 0.572

microspore

noun 0.561

epididymis

noun 0.556

spermicide

noun 0.552

spermatic cord

noun 0.550

germ cell

noun 0.548

spore

noun 0.537

testis

noun 0.536

gametocyte

noun 0.526

zygotene

noun 0.522

haploid

noun 0.518

tadpole shrimp

noun 0.518

fertilin

noun 0.517

sporogenesis

noun 0.516

sporophyte

noun 0.514

proglottid

noun 0.509

gametophyte

noun 0.506

sporangium

noun 0.505

sporozoite

noun 0.504

embryo

noun 0.501