aide-de-camp vs aide

aide-de-camp and aide both are nouns.

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

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

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

Other synonyms of aide-de-camp include adjutant.

aide-de-camp (noun)	aide (noun)
an officer who acts as military assistant to a more senior officer	someone who acts as assistant
	an officer who acts as military assistant to a more senior officer