enclosure vs enclose

enclosure is a noun but enclose is not a noun.

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

enclosure (noun)	enclose (noun)
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

enclosure (verb)	enclose (verb)
	place, fit, or thrust (something) into another thing
	surround completely
	enclose or enfold completely with or as if with a covering
	close in