revolving fund vs monetary fund

revolving fund and monetary fund both are nouns.

Word	Noun	Adjective	Verb	Adverb
revolving fund	Yes	No	No	No
monetary fund	Yes	No	No	No

As nouns, monetary fund is a hypernym of revolving fund; that is, monetary fund is a word with a broader meaning than revolving fund:

revolving fund: a fund which, if borrowed or used, is intended to be replenished so it may be loaned or spent repeatedly
monetary fund: a reserve of money set aside for some purpose

Other hypernyms of revolving fund include fund.

revolving fund (noun)	monetary fund (noun)
a fund which, if borrowed or used, is intended to be replenished so it may be loaned or spent repeatedly	a reserve of money set aside for some purpose