thenar vs region

thenar and region both are nouns.

Word	Noun	Adjective	Verb	Adverb
thenar	Yes	Yes	No	No
region	Yes	No	No	No

As nouns, region is a hypernym of thenar; that is, region is a word with a broader meaning than thenar:

thenar: the inner surface of the hand from the wrist to the base of the fingers
region: a part of an animal that has a special function or is supplied by a given artery or nerve

Other hypernyms of thenar include area.

As nouns, region is a hypernym of thenar; that is, region is a word with a broader meaning than thenar:

thenar: the fleshy area of the palm at the base of the thumb
region: a part of an animal that has a special function or is supplied by a given artery or nerve

Other hypernyms of thenar include area.

thenar (noun)	region (noun)
the inner surface of the hand from the wrist to the base of the fingers	a part of an animal that has a special function or is supplied by a given artery or nerve
the fleshy area of the palm at the base of the thumb	a knowledge domain that you are interested in or are communicating about
	the extended spatial location of something
	a large indefinite location on the surface of the Earth
	the approximate amount of something (usually used prepositionally as in `in the region of')

thenar (adjective)	region (adjective)
of or relating to the palm of the hand or to the area at the base of the thumb