cracker vs redneck

cracker and redneck both are nouns.

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

As nouns, cracker and redneck are synonyms defined as:

cracker (noun)	redneck (noun)
a party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends	a poor White person in the southern United States
firework consisting of a small explosive charge and fuse in a heavy paper casing
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