brigadier vs brigadier general

brigadier and brigadier general both are nouns.

Word	Noun	Adjective	Verb	Adverb
brigadier	Yes	No	No	No
brigadier general	Yes	No	No	No

As nouns, brigadier and brigadier general are synonyms defined as:

brigadier and brigadier general: a general officer ranking below a major general

brigadier (noun)	brigadier general (noun)
a general officer ranking below a major general	a general officer ranking below a major general