open up vs uncork

open up and uncork both are verbs.

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

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

open up (verb)	uncork (verb)
make available	draw the cork from (bottles)
become available	release
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