jubilation vs social affair

jubilation and social affair both are nouns.

Word	Noun	Adjective	Verb	Adverb
jubilation	Yes	No	No	No
social affair	Yes	No	No	No

As nouns, social affair is a hypernym of jubilation; that is, social affair is a word with a broader meaning than jubilation:

jubilation: a joyful occasion for special festivities to mark some happy event
social affair: a formal or official social gathering or ceremony of people

Other hypernyms of jubilation include affair, function, occasion, social function, social gathering, social occasion.

jubilation (noun)	social affair (noun)
the utterance of sounds expressing great joy	a formal or official social gathering or ceremony of people
a joyful occasion for special festivities to mark some happy event
a feeling of extreme joy