enter vs secure

enter is not an adjective while secure is an adjective.

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

enter (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

enter (verb)	secure (verb)
set out on (an enterprise or subject of study)	make certain of
make a record of; set down in permanent form	cause to be firmly attached
become a participant; be involved in	fill or close tightly with or as if with a plug
put or introduce into something	furnish with battens
come on stage	get by special effort
to come or go into	assure payment of
take on duties or office
register formally as a participant or member
be or play a part of or in