neandertal vs swinish

neandertal and swinish both are adjectives.

Word	Noun	Adjective	Verb	Adverb
neandertal	No	Yes	No	No
swinish	No	Yes	No	No

As adjectives, neandertal and swinish are synonyms defined as:

neandertal and swinish: ill-mannered and coarse and contemptible in behavior or appearance

Other synonyms of neandertal include boorish, loutish, neanderthal, oafish.

neandertal (adjective)	swinish (adjective)
ill-mannered and coarse and contemptible in behavior or appearance	resembling swine; coarsely gluttonous or greedy
	ill-mannered and coarse and contemptible in behavior or appearance