interchangeable

/ˌɪntərˈtʃeɪndʒəbəl/
adjective
  1. Able to be used in place of each other without changing the result or function.
    • These two batteries are interchangeable, so you can use either one.
    • The parts are not interchangeable between different car models.
    • In many recipes, butter and margarine are interchangeable.