nooky vs sexual congress

nooky and sexual congress both are nouns.

Word	Noun	Adjective	Verb	Adverb
nooky	Yes	No	No	No
sexual congress	Yes	No	No	No

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

nooky: slang for sexual intercourse
sexual congress: sexual activity between individuals, especially the insertion of a man's penis into a woman's vagina until orgasm and ejaculation occur

nooky (noun)	sexual congress (noun)
slang for sexual intercourse	sexual activity between individuals, especially the insertion of a man's penis into a woman's vagina until orgasm and ejaculation occur