obscenity vs cracker

obscenity and cracker both are nouns.

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

obscenity (noun)	cracker (noun)
an obscene act	a party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends
the trait of behaving in an obscene manner	firework consisting of a small explosive charge and fuse in a heavy paper casing
an offensive or indecent word or phrase	a thin crisp wafer made of flour and water with or without leavening and shortening; unsweetened or semisweet
	a poor White person in the southern United States
	a programmer who cracks (gains unauthorized access to) computers, typically to do malicious things