sex vs piss

sex and piss both are nouns.

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

sex (noun)	piss (noun)
activities associated with sexual intercourse	informal terms for urination
the properties that distinguish organisms on the basis of their reproductive roles	liquid excretory product
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)	piss (verb)
tell the sex (of young chickens)	eliminate urine
to evoke sexual feelings