rearm vs gird

rearm and gird both are verbs.

Word	Noun	Adjective	Verb	Adverb
rearm	No	No	Yes	No
gird	No	No	Yes	No

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

Other hypernyms of rearm include arm, build up, fortify.

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