shtup vs sexual relation

shtup and sexual relation both are nouns.

Word	Noun	Adjective	Verb	Adverb
shtup	Yes	No	No	No
sexual relation	Yes	No	No	No

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

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

shtup (noun)	sexual relation (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