rump vs sexual activity

rump and sexual activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
rump	Yes	No	No	No
sexual activity	Yes	No	No	No

rump (noun)	sexual activity (noun)
the part of an animal that corresponds to the human buttocks	activities associated with sexual intercourse
the fleshy part of the human body that you sit on
fleshy hindquarters; behind the loin and above the round