company vs battle group

company and battle group both are nouns.

Word	Noun	Adjective	Verb	Adverb
company	Yes	No	Yes	No
battle group	Yes	No	No	No

company (noun)	battle group (noun)
a social gathering of guests or companions	an army unit usually consisting of five companies
an institution created to conduct business
organization of performers and associated personnel (especially theatrical)
small military unit; usually two or three platoons
crew of a ship including the officers; the whole force or personnel of a ship
a unit of firefighters including their equipment
a band of people associated temporarily in some activity
a social or business visitor
the state of being with someone

company (verb)	battle group (verb)
be a companion to somebody