bumpkin vs hayseed

bumpkin and hayseed both are nouns.

Word	Noun	Adjective	Verb	Adverb
bumpkin	Yes	No	No	No
hayseed	Yes	No	No	No

As nouns, bumpkin and hayseed are synonyms defined as:

bumpkin and hayseed: a person who is not very intelligent or interested in culture

Other synonyms of bumpkin include chawbacon, hick, rube, yahoo, yokel.

bumpkin (noun)	hayseed (noun)
a person who is not very intelligent or interested in culture	a person who is not very intelligent or interested in culture