food cache vs provisions

food cache and provisions both are nouns.

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

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

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

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