insert vs enclose

insert is a noun but enclose is not a noun.

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

As verbs, insert and enclose are synonyms defined as:

insert and enclose: place, fit, or thrust (something) into another thing

Other synonyms of insert include inclose, introduce, put in, stick in.

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

Other hypernyms of insert include close in, inclose, shut in.

insert (noun)	enclose (noun)
(film) a still picture that is introduced and that interrupts the action of a film
(broadcasting) a local announcement inserted into a network program
an artifact that is inserted or is to be inserted
a folded section placed between the leaves of another publication

insert (verb)	enclose (verb)
place, fit, or thrust (something) into another thing	place, fit, or thrust (something) into another thing
insert casually	surround completely
put or introduce into something	enclose or enfold completely with or as if with a covering
fit snugly into	close in