suborn vs secure

suborn is not an adjective while secure is an adjective.

Word	Noun	Adjective	Verb	Adverb
suborn	No	No	Yes	No
secure	No	Yes	Yes	No

As verbs, secure is a hypernym of suborn; that is, secure is a word with a broader meaning than suborn:

Other hypernyms of suborn include procure.

suborn (adjective)	secure (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

suborn (verb)	secure (verb)
induce to commit perjury or give false testimony	make certain of
procure (false testimony or perjury)	cause to be firmly attached
incite to commit a crime or an evil deed	fill or close tightly with or as if with a plug
	furnish with battens
	get by special effort
	assure payment of