THESAURUS
Sperm
act of love, adultery, androcyte, antheridium, antherozoid, aphrodisia, ass, autacoid, balling, bile, carnal knowledge, chalone, climax, cohabitation, coition, coitus, coitus interruptus, commerce, congress, connection, copula, copulation, coupling, diddling, digestive secretion, endocrine, fornication, gall, gastric juice, hormone, intercourse, intestinal juice, intimacy, lovemaking, making it with, male gamete, marital relations, marriage act, mating, meat, milt, mucus, onanism, orgasm, ovum, pancreatic juice, pareunia, pollen, procreation, prostatic fluid, protein, relations, rheum, salivary secretion, screwing, scum, seed, semen, seminal fluid, sex, sex act, sexual climax, sexual commerce, sexual congress, sexual intercourse, sexual relations, sexual union, sleeping with, sperm cell, spermagonium, spermatic fluid, spermatid, spermatiophore, spermatium, spermatocyte, spermatogonium, spermatophore, spermatozoa, spermatozoid, spermatozoon, tears, thyroxin, venery
ROGET THESAURUS
Sperm
Cause
N
cause, origin, source, principle, element, occasioner, prime mover, primum mobile, vera causa, author, mainspring, agent, leaven, groundwork, foundation, spring, fountain, well, font, fountainhead, spring head, wellhead, fons et origo, genesis, descent, remote cause, influence, pivot, hinge, turning point, lever, crux, fulcrum, key, proximate cause, causa causans, straw that breaks the camel's back, ground, reason, reason why, why and wherefore, rationale, occasion, derivation, final cause, les dessous des cartes, undercurrents, rudiment, egg, germ, embryo, bud, root, radix radical, etymon, nucleus, seed, stem, stock, stirps, trunk, tap-root, gemmule, radicle, semen, sperm, nest, cradle, nursery, womb, nidus, birthplace, hotbed, causality, causation, origination, production, caused, causal, original, primary, primitive, primordial, aboriginal, protogenal, radical, embryonic, embryotic, in embryo, in ovo, seminal, germinal, at the bottom of, connate, having a common origin, because, behind the scenes, causa latet vis est notissima, felix qui potuit rerum cognoscere causas.