Here's what rhymes with implausible.
plausible Words that almost rhyme with implausible
possible washable impossible purchasable probable improbable laudable lockable horrible watchable soluble nominal proximal portable topical deplorable follicle forcible nautical adorable chargeable inaudible voluble solvable fordable monocle chlorophyl coracle importable karakul enlargeable remarkable abdominal marginal particle cardinal cortical insoluble affordable carnival conjugal constable methodical orthogonal carbonyl enforceable torsional corpuscle farcical pronominal tetragonal barnacle resolvable unstoppable fontanel rechargeable adoptable insolvable equatable revolvable gemological responsible proportional hierarchical anatomical canonical doctrinal phenomenal allegorical inexhaustible apocryphal oratorical aeronautical cytological insupportable exportable supportable unsolvable exhaustible tortoiseshell rhapsodical gemmological nonchargeable irresponsible cosmological etymological unenforceable unremarkable oligarchical transportable entomological scatological submarginal antiparticle seismological nonenforceable anthropological gerontological disproportional epistemological phantasmagorical