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