#exchangeability__interchangeableness__fungibility  the quality of being capable of exchange or interchange
  exclusion:  unexchangeability
  supertype:  changeableness__changeability  the quality of being changeable; having a marked tendency to change; "the changeableness of the weather"
  subtype:  duality  (geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry
  subtype:  transferability  the quality of being transferable or exchangeable: "sterling transferability affords a means of multilateral settlement for....trade between nondollar countries"
  subtype:  convertibility  the quality of being exchangeable (esp the ability to convert a currency into gold or other currencies without restriction)
  subtype:  inconvertibility  the quality of not being exchangeable; "the inconvertibility of their currency made international trade impossible"
  subtype:  replaceability__substitutability__commutability  exchangeability by virtue of being replaceable
  subtype:  alternation.exchangeability  being regularly exchangeable
  subtype:  liquidity  being in cash or easily convertible to cash
  subtype:  permutability__permutableness__transposability  ability to change sequence

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