clocksmith vs artificer

clocksmith and artificer both are nouns.

Word	Noun	Adjective	Verb	Adverb
clocksmith	Yes	No	No	No
artificer	Yes	No	No	No

As nouns, artificer is a hypernym of clocksmith; that is, artificer is a word with a broader meaning than clocksmith:

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

Other hypernyms of clocksmith include artisan, craftsman, journeyman.

clocksmith (noun)	artificer (noun)
someone whose occupation is making or repairing clocks and watches	a skilled worker who practices some trade or handicraft
	someone who is the first to think of or make something
	an enlisted man responsible for the upkeep of small arms and machine guns etc.