yokelish vs underbred

yokelish and underbred both are adjectives.

Word	Noun	Adjective	Verb	Adverb
yokelish	No	Yes	No	No
underbred	No	Yes	No	No

As adjectives, yokelish and underbred are synonyms defined as:

Other synonyms of yokelish include bounderish, ill-bred, lowbred, rude.

yokelish (adjective)	underbred (adjective)
(of persons) lacking in refinement or grace	of inferior or mixed breed
	(of persons) lacking in refinement or grace