sex vs obscenity

sex and obscenity both are nouns.

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

sex (noun)	obscenity (noun)
activities associated with sexual intercourse	an obscene act
the properties that distinguish organisms on the basis of their reproductive roles	the trait of behaving in an obscene manner
all of the feelings resulting from the urge to gratify sexual impulses	an offensive or indecent word or phrase
either of the two categories (male or female) into which most organisms are divided

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