gendarmerie vs gendarmery

gendarmerie and gendarmery both are nouns.

Word	Noun	Adjective	Verb	Adverb
gendarmerie	Yes	No	No	No
gendarmery	Yes	No	No	No

As nouns, gendarmerie and gendarmery are synonyms defined as:

gendarmerie and gendarmery: French police force; a group of gendarmes or gendarmes collectively

gendarmerie (noun)	gendarmery (noun)
French police force; a group of gendarmes or gendarmes collectively	French police force; a group of gendarmes or gendarmes collectively