head-shrinker vs barbarian

head-shrinker and barbarian both are nouns.

Word	Noun	Adjective	Verb	Adverb
head-shrinker	Yes	No	No	No
barbarian	Yes	Yes	No	No

As nouns, barbarian is a hypernym of head-shrinker; that is, barbarian is a word with a broader meaning than head-shrinker:

head-shrinker: a savage who cuts off and preserves the heads of enemies as trophies
barbarian: a member of an uncivilized people

Other hypernyms of head-shrinker include savage.

head-shrinker (noun)	barbarian (noun)
a savage who cuts off and preserves the heads of enemies as trophies	a member of an uncivilized people
a physician who specializes in psychiatry	a crude uncouth ill-bred person lacking culture or refinement

head-shrinker (adjective)	barbarian (adjective)
	without civilizing influences