changeability, changeableness - the quality of being changeable; having a marked tendency to change; "the changeableness of the weather"

duality - (geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry

transferability - the quality of being transferable or exchangeable; "sterling transferability affords a means of multilateral settlement for....trade between nondollar countries"

convertibility - the quality of being exchangeable (especially the ability to convert a currency into gold or other currencies without restriction)

inconvertibility - the quality of not being exchangeable; "the inconvertibility of their currency made international trade impossible"

commutability, replaceability, substitutability - exchangeability by virtue of being replaceable

alternation - being regularly exchangeable

liquidity - being in cash or easily convertible to cash; debt paying ability

permutability, permutableness, transposability - ability to change sequence