secure vs fortify

secure is an adjective but fortify is not an adjective.

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

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

Other hypernyms of secure include beef up, strengthen.

secure (adjective)	fortify (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)	fortify (verb)
make certain of	add alcohol to (beverages)
cause to be firmly attached	make strong or stronger
fill or close tightly with or as if with a plug	add nutrients to
furnish with battens	prepare oneself for a military confrontation
get by special effort	enclose by or as if by a fortification
assure payment of