silver medal vs trophy

silver medal and trophy both are nouns.

Word	Noun	Adjective	Verb	Adverb
silver medal	Yes	No	No	No
trophy	Yes	No	No	No

As nouns, trophy is a hypernym of silver medal; that is, trophy is a word with a broader meaning than silver medal:

silver medal: a trophy made of silver (or having the appearance of silver) that is usually awarded for winning second place in a competition
trophy: something given as a token of victory

Other hypernyms of silver medal include prize.

silver medal (noun)	trophy (noun)
a trophy made of silver (or having the appearance of silver) that is usually awarded for winning second place in a competition	something given as a token of victory
	an award for success in war or hunting