mechanic vs artificer

mechanic and artificer both are nouns.

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

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

Other hypernyms of mechanic include artisan, craftsman, journeyman.

mechanic (noun)	artificer (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	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.

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