re-arm vs gird

re-arm and gird both are verbs.

Word	Noun	Adjective	Verb	Adverb
re-arm	No	No	Yes	No
gird	No	No	Yes	No

As verbs, gird is a hypernym of re-arm; that is, gird is a word with a broader meaning than re-arm:

Other hypernyms of re-arm include arm, build up, fortify.

re-arm (verb)	gird (verb)
arm anew	prepare oneself for a military confrontation
	bind with something round or circular
	put a girdle on or around