battalion vs regiment

battalion and regiment both are nouns.

Word	Noun	Adjective	Verb	Adverb
battalion	Yes	No	No	No
regiment	Yes	No	Yes	No

battalion (noun)	regiment (noun)
an army unit usually consisting of a headquarters and three or more companies	army unit smaller than a division, which can be divided into several companies, squadrons, or batteries and often into two battalions.
a large indefinite quantity

battalion (verb)	regiment (verb)
	assign to a regiment
	form (military personnel) into a regiment
	subject to rigid discipline, order, and systematization