rope up vs secure

rope up is not an adjective while secure is an adjective.

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

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

Other hypernyms of rope up include fasten, fix.

rope up (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

rope up (verb)	secure (verb)
attach to one another, for safety	make certain of
	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