deposit account has 1 distinct synonym spread across 1 of its 1 sense. 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. WordNet records no antonym for it — antonymy is a relation between word forms rather than concepts, so it is deliberately sparse.
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.
a savings account in which the deposit is held for a fixed term or in which withdrawals can be made only after giving notice or with loss of interest
Synonyms, antonyms and the broader and narrower relations for deposit account come from Princeton University’s WordNet. Full sources and licences.