wrap up vs shrinkwrap

wrap up and shrinkwrap both are verbs.

Word	Noun	Adjective	Verb	Adverb
wrap up	No	No	Yes	No
shrinkwrap	No	No	Yes	No

As verbs, shrinkwrap is a hyponym of wrap up; that is, shrinkwrap is a word with a more specific, narrower meaning than wrap up:

wrap up: arrange or fold as a cover or protection
shrinkwrap: wrap something tightly with heated plastic that shrinks upon cooling

Other hyponyms of wrap up include do up, parcel, cere, gift-wrap, shroud.

wrap up (verb)	shrinkwrap (verb)
clothe, as if for protection from the elements	wrap something tightly with heated plastic that shrinks upon cooling
form a cylinder by rolling
finish a task completely
arrange or fold as a cover or protection