cash has 6 distinct synonyms spread across 4 of its 4 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. Its one recorded opposite is credit.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
money in the form of bills or coins
“there is a desperate shortage of hard cash”
Synonyms, antonyms and the broader and narrower relations for cash come from Princeton University’s WordNet. Full sources and licences.
prompt payment for goods or services in currency or by check
United States country music singer and songwriter (1932-2003)