stern vs obscenity

stern and obscenity both are nouns.

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

stern (noun)	obscenity (noun)
the rear part of a ship	an obscene act
the fleshy part of the human body that you sit on	the trait of behaving in an obscene manner
	an offensive or indecent word or phrase

stern (adjective)	obscenity (adjective)
severe and unremitting in making demands
not to be placated or appeased or moved by entreaty
of a stern or strict bearing or demeanor; forbidding in aspect
severely simple