anal intercourse vs anal sex

anal intercourse and anal sex both are nouns.

Word	Noun	Adjective	Verb	Adverb
anal intercourse	Yes	No	No	No
anal sex	Yes	No	No	No

As nouns, anal intercourse and anal sex are synonyms defined as:

anal intercourse and anal sex: intercourse via the anus, committed by a man with a man or woman

Other synonyms of anal intercourse include buggery, sodomy.

anal intercourse (noun)	anal sex (noun)
intercourse via the anus, committed by a man with a man or woman	intercourse via the anus, committed by a man with a man or woman