fortify vs confirm

fortify and confirm both are verbs.

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

As verbs, confirm is a hyponym of fortify; that is, confirm is a word with a more specific, narrower meaning than fortify:

fortify (verb)	confirm (verb)
add alcohol to (beverages)	make more firm
make strong or stronger	establish or strengthen as with new evidence or facts
add nutrients to	strengthen or make more firm
prepare oneself for a military confrontation	administer the rite of confirmation to
enclose by or as if by a fortification	support a person for a position