love feast vs social affair

love feast and social affair both are nouns.

Word	Noun	Adjective	Verb	Adverb
love feast	Yes	No	No	No
social affair	Yes	No	No	No

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

love feast: a social gathering intended to create goodwill among the participants
social affair: a formal or official social gathering or ceremony of people

Other hypernyms of love feast include affair, function, occasion, social function, social gathering, social occasion.

love feast (noun)	social affair (noun)
a religious meal shared as a sign of love and fellowship	a formal or official social gathering or ceremony of people
a social gathering intended to create goodwill among the participants