plater vs skilled workman

plater and skilled workman both are nouns.

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

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

plater: a skilled worker who coats articles with a film of metal (usually silver or gold)
skilled workman: a worker who has acquired special skills

Other hypernyms of plater include skilled worker, trained worker.

plater (noun)	skilled workman (noun)
a skilled worker who coats articles with a film of metal (usually silver or gold)	a worker who has acquired special skills