coachbuilder vs craftsman

coachbuilder and craftsman both are nouns.

Word	Noun	Adjective	Verb	Adverb
coachbuilder	Yes	No	No	No
craftsman	Yes	No	No	No

As nouns, craftsman is a hypernym of coachbuilder; that is, craftsman is a word with a broader meaning than coachbuilder:

Other hypernyms of coachbuilder include artificer, artisan, journeyman.

coachbuilder (noun)	craftsman (noun)
a craftsman who makes the bodies of motor vehicles	a skilled worker who practices some trade or handicraft
	a creator of great skill in the manual arts
	a professional whose work is consistently of high quality