adjutant vs aide-de-camp

adjutant and aide-de-camp both are nouns.

Word	Noun	Adjective	Verb	Adverb
adjutant	Yes	No	No	No
aide-de-camp	Yes	No	No	No

As nouns, adjutant and aide-de-camp are synonyms defined as:

adjutant and aide-de-camp: an officer who acts as military assistant to a more senior officer

Other synonyms of adjutant include aide.

adjutant (noun)	aide-de-camp (noun)
large Indian stork with a military gait	an officer who acts as military assistant to a more senior officer
an officer who acts as military assistant to a more senior officer