riveter vs skilled worker

riveter and skilled worker both are nouns.

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

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

Other hypernyms of riveter include skilled workman, trained worker.

riveter (noun)	skilled worker (noun)
a machine for driving rivets	a worker who has acquired special skills
a worker who inserts and hammers rivets