officer vs gendarme

officer and gendarme both are nouns.

Word	Noun	Adjective	Verb	Adverb
officer	Yes	No	Yes	No
gendarme	Yes	No	No	No

As nouns, gendarme is a hyponym of officer; that is, gendarme is a word with a more specific, narrower meaning than officer:

officer (noun)	gendarme (noun)
a member of a police force	a French policeman
someone who is appointed or elected to an office and who holds a position of trust
any person in the armed services who holds a position of authority or command
a person authorized to serve in a position of authority on a vessel

officer (verb)	gendarme (verb)
direct or command as an officer