sex vs anal intercourse

sex and anal intercourse both are nouns.

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

sex (noun)	anal intercourse (noun)
activities associated with sexual intercourse	intercourse via the anus, committed by a man with a man or woman
the properties that distinguish organisms on the basis of their reproductive roles
all of the feelings resulting from the urge to gratify sexual impulses
either of the two categories (male or female) into which most organisms are divided

sex (verb)	anal intercourse (verb)
tell the sex (of young chickens)
to evoke sexual feelings