dramatis personae vs gathering

dramatis personae and gathering both are nouns.

Word	Noun	Adjective	Verb	Adverb
dramatis personae	Yes	No	No	No
gathering	Yes	No	No	No

As nouns, gathering is a hypernym of dramatis personae; that is, gathering is a word with a broader meaning than dramatis personae:

Other hypernyms of dramatis personae include assemblage.

dramatis personae (noun)	gathering (noun)
the actors in a play	the social act of assembling
	the act of gathering something
	sewing consisting of small folds or puckers made by pulling tight a thread in a line of stitching
	a group of persons together in one place