trophy vs bronze medal

trophy and bronze medal both are nouns.

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

As nouns, bronze medal is a hyponym of trophy; that is, bronze medal is a word with a more specific, narrower meaning than trophy:

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

Other hyponyms of trophy include apple of discord, booby prize, cup, loving cup, gold medal, silver, silver medal.

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