good temper vs jollity

good temper and jollity both are nouns.

Word	Noun	Adjective	Verb	Adverb
good temper	Yes	No	No	No
jollity	Yes	No	No	No

As nouns, jollity is a hyponym of good temper; that is, jollity is a word with a more specific, narrower meaning than good temper:

Other hyponyms of good temper include jolliness, joviality.

good temper (noun)	jollity (noun)
a cheerful and agreeable mood	feeling jolly and jovial and full of good humor