relic vs party favor

relic and party favor both are nouns.

Word	Noun	Adjective	Verb	Adverb
relic	Yes	No	No	No
party favor	Yes	No	No	No

As nouns, party favor is a hyponym of relic; that is, party favor is a word with a more specific, narrower meaning than relic:

relic: something of sentimental value
party favor: souvenir consisting of a small gift given to a guest at a party

Other hyponyms of relic include love-token, favor, favour, party favour.

relic (noun)	party favor (noun)
an antiquity that has survived from the distant past	souvenir consisting of a small gift given to a guest at a party
something of sentimental value