open up vs jimmy

open up is not a noun while jimmy is a noun.

Word	Noun	Adjective	Verb	Adverb
open up	No	No	Yes	No
jimmy	Yes	No	Yes	No

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

Other hyponyms of open up include unbar, break open, click open, reopen, unlock, unbolt, unseal, uncork, lever, prise, prize, pry, breach, gap, lance.

open up (noun)	jimmy (noun)
	a short crowbar

open up (verb)	jimmy (verb)
make available	to move or force, especially in an effort to get something open
become available
talk freely and without inhibition
cause to open or to become open
become open
open up an area or prepare a way
start to operate or function or cause to start operating or functioning