plater vs trained worker

plater and trained worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
plater	Yes	No	No	No
trained worker	Yes	No	No	No

As nouns, trained worker is a hypernym of plater; that is, trained worker 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)
trained worker: a worker who has acquired special skills

Other hypernyms of plater include skilled worker, skilled workman.

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