criminal congress vs coitus

criminal congress and coitus both are nouns.

Word	Noun	Adjective	Verb	Adverb
criminal congress	Yes	No	No	No
coitus	Yes	No	No	No

As nouns, coitus is a hypernym of criminal congress; that is, coitus is a word with a broader meaning than criminal congress:

criminal congress: forbidden or tabu sexual intercourse between individuals
coitus: sexual activity between individuals, especially the insertion of a man's penis into a woman's vagina until orgasm and ejaculation occur

criminal congress (noun)	coitus (noun)
forbidden or tabu sexual intercourse between individuals	sexual activity between individuals, especially the insertion of a man's penis into a woman's vagina until orgasm and ejaculation occur