Currency
Part of speech: noun
Definition: Money or other item used to facilitate transactions. Paper money. a countable unit which symbolize real value Acceptance or use. The state of being current.
Cash
Part of speech: noun
Definition: Money in the form of notes/bills and coins, as opposed to cheques/checks or electronic transactions.Money.Cash register.Any of several low-denomination coins of India or China, especially the Chinese copper coin.
Part of speech: verb
Definition: To exchange (a check/cheque) for money in the form of notes/bills.