boxing vs enclosure

boxing and enclosure both are nouns.

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

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

Other hypernyms of boxing include enclosing, envelopment, inclosure.

boxing (noun)	enclosure (noun)
fighting with the fists	the act of enclosing something inside something else
the enclosure of something in a package or box	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