secure vs cork up

secure is an adjective but cork up is not an adjective.

Word	Noun	Adjective	Verb	Adverb
secure	No	Yes	Yes	No
cork up	No	No	Yes	No

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

Other hyponyms of secure include stopper, stopple, tampon, chink, cork.

secure (adjective)	cork up (adjective)
free from fear or doubt; easy in mind
free from danger or risk
not likely to fail or give way
immune to attack; incapable of being tampered with
financially safe

secure (verb)	cork up (verb)
make certain of	close a bottle with a cork
cause to be firmly attached
fill or close tightly with or as if with a plug
furnish with battens
get by special effort
assure payment of