sex vs rump

sex and rump both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex	Yes	No	Yes	No
rump	Yes	No	No	No

sex (noun)	rump (noun)
activities associated with sexual intercourse	the part of an animal that corresponds to the human buttocks
the properties that distinguish organisms on the basis of their reproductive roles	the fleshy part of the human body that you sit on
all of the feelings resulting from the urge to gratify sexual impulses	fleshy hindquarters; behind the loin and above the round
either of the two categories (male or female) into which most organisms are divided

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