screwing vs coition

screwing and coition both are nouns.

Word	Noun	Adjective	Verb	Adverb
screwing	Yes	No	No	No
coition	Yes	No	No	No

As nouns, coition is a hypernym of screwing; that is, coition is a word with a broader meaning than screwing:

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

screwing (noun)	coition (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