gendarmerie vs police force

gendarmerie and police force both are nouns.

Word	Noun	Adjective	Verb	Adverb
gendarmerie	Yes	No	No	No
police force	Yes	No	No	No

As nouns, police force is a hypernym of gendarmerie; that is, police force is a word with a broader meaning than gendarmerie:

gendarmerie: French police force; a group of gendarmes or gendarmes collectively
police force: the force of policemen and officers

Other hypernyms of gendarmerie include constabulary, law, police.

gendarmerie (noun)	police force (noun)
French police force; a group of gendarmes or gendarmes collectively	the force of policemen and officers