coetus

As nouns the difference between coitus and coetus

is that coitus is the coming together of male and female sex organs, sometimes in the act of sexual procreation; the male's penis is inserted into the female's vagina, usually until orgasm and ejaculation of semen occur; copulation while coetus is .

As nouns the difference between coetus and costus

is that coetus is while costus is a perennial tropical herbaceous plant of the genus (taxlink) (family (taxlink) ).

As nouns the difference between foetus and coetus

is that foetus is (chiefly|british|hypercorrect) while coetus is .