head-shrinker vs headhunter

head-shrinker and headhunter both are nouns.

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

As nouns, head-shrinker and headhunter are synonyms defined as:

head-shrinker and headhunter: a savage who cuts off and preserves the heads of enemies as trophies

head-shrinker (noun)	headhunter (noun)
a savage who cuts off and preserves the heads of enemies as trophies	a savage who cuts off and preserves the heads of enemies as trophies
a physician who specializes in psychiatry	a recruiter of personnel (especially for corporations)