undertaker vs skilled worker

undertaker and skilled worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
undertaker	Yes	No	No	No
skilled worker	Yes	No	No	No

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

Other hypernyms of undertaker include skilled workman, trained worker.

undertaker (noun)	skilled worker (noun)
one whose business is the management of funerals	a worker who has acquired special skills