spermatozoan

noun 0.887

spermatozoid

noun 0.835

sperm

noun 0.813

spermatocyte

noun 0.718

spermatid

noun 0.701

spermatogonium

noun 0.692

gamete

noun 0.657

spermatheca

noun 0.608

spermiogenesis

noun 0.604

sperm whale

noun 0.600

spermicide

noun 0.600

sperm bank

noun 0.582

seminiferous tubule

noun 0.572

ovum

noun 0.570

oligozoospermia

noun 0.566

sporozoite

noun 0.560

oocyte

noun 0.556

spermatic cord

noun 0.554

spore

noun 0.547

protozoon

noun 0.547

flagellum

noun 0.545

testis

noun 0.543

microspore

noun 0.538

zoospore

noun 0.534

sporangium

noun 0.532

azoospermia

noun 0.531

germ cell

noun 0.523

oligospermia

noun 0.521

spermidine

noun 0.521

gametocyte

noun 0.519

pollen grain

noun 0.517

zygote

noun 0.515

protozoan

noun 0.508

egg cell

noun 0.503

spirochete

noun 0.503

haploid

noun 0.502

sporophyte

noun 0.502

inseminator

noun 0.501