money supply vs cash in hand

money supply and cash in hand both are nouns.

Word	Noun	Adjective	Verb	Adverb
money supply	Yes	No	No	No
cash in hand	Yes	No	No	No

As nouns, cash in hand is a hypernym of money supply; that is, cash in hand is a word with a broader meaning than money supply:

money supply: the total stock of money in the economy; currency held by the public plus money in accounts in banks
cash in hand: assets in the form of money

Other hypernyms of money supply include finances, funds, monetary resource, pecuniary resource.

money supply (noun)	cash in hand (noun)
the total stock of money in the economy; currency held by the public plus money in accounts in banks	assets in the form of money