division Eubacteria vs bacteria family

division Eubacteria and bacteria family both are nouns.

Word	Noun	Adjective	Verb	Adverb
division Eubacteria	Yes	No	No	No
bacteria family	Yes	No	No	No

division Eubacteria (noun)	bacteria family (noun)
one-celled monerans having simple cells with rigid walls and (in motile types) flagella	a family of bacteria