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