obscenity vs behind

obscenity and behind both are nouns.

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

obscenity (noun)	behind (noun)
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

obscenity (adjective)	behind (adjective)
	having the lower score or lagging position in a contest

obscenity (adverb)	behind (adverb)
	in or to or toward the rear
	remaining in a place or condition that has been left or departed from
	in debt
	in or into an inferior position
	showing a time that is earlier than the actual time