glassblower vs craftsman

glassblower and craftsman both are nouns.

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

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

Other hypernyms of glassblower include artificer, artisan, journeyman.

glassblower (noun)	craftsman (noun)
someone skilled in blowing bottles from molten glass	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