clockmaker vs craftsman

clockmaker and craftsman both are nouns.

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

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

clockmaker: someone whose occupation is making or repairing clocks and watches
craftsman: a skilled worker who practices some trade or handicraft

Other hypernyms of clockmaker include artificer, artisan, journeyman.

clockmaker (noun)	craftsman (noun)
someone whose occupation is making or repairing clocks and watches	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