enclosing vs inclosure

enclosing and inclosure both are nouns.

Word	Noun	Adjective	Verb	Adverb
enclosing	Yes	No	No	No
inclosure	Yes	No	No	No

As nouns, enclosing and inclosure are synonyms defined as:

enclosing and inclosure: the act of enclosing something inside something else

Other synonyms of enclosing include enclosure, envelopment.

enclosing (noun)	inclosure (noun)
the act of enclosing something inside something else	the act of enclosing something inside something else
	something (usually a supporting document) that is enclosed in an envelope with a covering letter