Here's what rhymes with defeasable.
peaceable Words that almost rhyme with defeasable
feasible receivable perceivable freezable achievable believable indefeasible unfeasible squeezable appreciable conceivable retrievable inconceivable unbelievable irretrievable inappreciable readable reachable teachable regional seasonal redeemable repeatable treatable useable impeachable uneatable cleanable resealable agreeable disagreeable foreseeable unspeakable unreadable irredeemable unbeatable unteachable teacupful concealable unreasonable unimpeachable paracetamol unrepeatable unuseable interpretable interregional unforeseeable nonseasonal nonredeemable