Interchangeable rhymes with:
changeable, exchangeable, changeable, exchangeable, changeable, exchangeable, intangible, tangible, acknowledgeable, agregable, changeable, chargeable, corrigible, eligible, exchangeable, illegible, incorrigible, ineligible, intangible, intelligible, knowledgeable, legible, manageable, negligible, rechargeable, salvageable, tangible, unintelligible, unmanageable