artisan vs skilled workman

artisan and skilled workman both are nouns.

Word	Noun	Adjective	Verb	Adverb
artisan	Yes	No	No	No
skilled workman	Yes	No	No	No

As nouns, skilled workman is a hypernym of artisan; that is, skilled workman is a word with a broader meaning than artisan:

Other hypernyms of artisan include skilled worker, trained worker.

artisan (noun)	skilled workman (noun)
a skilled worker who practices some trade or handicraft	a worker who has acquired special skills