open up vs pry

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

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

As verbs, pry is a hyponym of open up; that is, pry 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, jimmy, lever, prise, prize, breach, gap, lance.

open up (noun)	pry (noun)
	a heavy iron lever with one end forged into a wedge

open up (verb)	pry (verb)
make available	be nosey
become available	to move or force, especially in an effort to get something open
talk freely and without inhibition	make an uninvited or presumptuous inquiry
cause to open or to become open	search or inquire in a meddlesome way
become open
open up an area or prepare a way
start to operate or function or cause to start operating or functioning