catchall vs enclosure

catchall and enclosure both are nouns.

Word	Noun	Adjective	Verb	Adverb
catchall	Yes	No	No	No
enclosure	Yes	No	No	No

As nouns, enclosure is a hypernym of catchall; that is, enclosure is a word with a broader meaning than catchall:

catchall: an enclosure or receptacle for odds and ends
enclosure: a structure consisting of an area that has been enclosed for some purpose

Other hypernyms of catchall include receptacle.

catchall (noun)	enclosure (noun)
an enclosure or receptacle for odds and ends	the act of enclosing something inside something else
	a structure consisting of an area that has been enclosed for some purpose
	something (usually a supporting document) that is enclosed in an envelope with a covering letter
	a naturally enclosed space