food cache vs commissariat

food cache and commissariat both are nouns.

Word	Noun	Adjective	Verb	Adverb
food cache	Yes	No	No	No
commissariat	Yes	No	No	No

As nouns, commissariat is a hypernym of food cache; that is, commissariat is a word with a broader meaning than food cache:

Other hypernyms of food cache include provender, provisions, viands, victuals.

food cache (noun)	commissariat (noun)
food in a secure or hidden storage place	a stock or supply of foods