mechanic vs craftsman

mechanic and craftsman both are nouns.

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

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

Other hypernyms of mechanic include artificer, artisan, journeyman.

mechanic (noun)	craftsman (noun)
a craftsman skilled in operating machine tools	a skilled worker who practices some trade or handicraft
someone whose occupation is repairing and maintaining automobiles	a creator of great skill in the manual arts
	a professional whose work is consistently of high quality

mechanic (adjective)	craftsman (adjective)
resembling the action of a machine