insert vs intersperse

insert is a noun but intersperse is not a noun.

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

As verbs, intersperse is a hyponym of insert; that is, intersperse is a word with a more specific, narrower meaning than insert:

insert (noun)	intersperse (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)	intersperse (verb)
place, fit, or thrust (something) into another thing	introduce one's writing or speech with certain expressions
insert casually	place at intervals in or among
put or introduce into something
fit snugly into