dyer vs skilled workman

dyer and skilled workman both are nouns.

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

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

Other hypernyms of dyer include skilled worker, trained worker.

dyer (noun)	skilled workman (noun)
someone whose job is to dye cloth	a worker who has acquired special skills