cocoon vs enclose

cocoon is a noun but enclose is not a noun.

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

As verbs, enclose is a hypernym of cocoon; that is, enclose is a word with a broader meaning than cocoon:

Other hypernyms of cocoon include enfold, envelop, enwrap, wrap.

cocoon (noun)	enclose (noun)
silky envelope spun by the larvae of many insects to protect pupas and by spiders to protect eggs

cocoon (verb)	enclose (verb)
wrap in or as if in a cocoon, as for protection	place, fit, or thrust (something) into another thing
retreat as if into a cocoon, as from an unfriendly environment	surround completely
	enclose or enfold completely with or as if with a covering
	close in