prize vs gold medal

prize and gold medal both are nouns.

Word	Noun	Adjective	Verb	Adverb
prize	Yes	Yes	Yes	No
gold medal	Yes	No	No	No

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

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

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

prize (noun)	gold medal (noun)
something given as a token of victory	a trophy made of gold (or having the appearance of gold) that is usually awarded for winning first place in a competition
something given for victory or superiority in a contest or competition or for winning a lottery
goods or money obtained illegally

prize (adjective)	gold medal (adjective)
of superior grade

prize (verb)	gold medal (verb)
regard highly; think much of
to move or force, especially in an effort to get something open
hold dear