The term 'FORM OF CURRENCY' can be summarized by the crossword solution SCRIP, which is a five-letter word. SCRIP is a form of currency that was used in the past as an alternative to legal tender. It was typically issued by businesses or local governments and could be used to purchase goods and services from the issuer. In some cases, it was also accepted as payment for taxes. SCRIP was often used during times of economic hardship or when there was a shortage of coins or paper money.