regiment vs battalion

regiment and battalion both are nouns.

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

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

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