communion vs intercourse

communion and intercourse both are nouns.

Word	Noun	Adjective	Verb	Adverb
communion	Yes	No	No	No
intercourse	Yes	No	No	No

As nouns, intercourse is a hypernym of communion; that is, intercourse is a word with a broader meaning than communion:

Other hypernyms of communion include social intercourse.

communion (noun)	intercourse (noun)
sharing thoughts and feelings	sexual activity between individuals, especially the insertion of a man's penis into a woman's vagina until orgasm and ejaculation occur
(Christianity) a group of Christians with a common religious faith who practice the same rites	communication between individuals