Here's what rhymes with supraperichondrial.
mitochondrial Words that almost rhyme with supraperichondrial
pericardial tonsorial boreal directorial bronchial pictorial primordial arboreal territorial editorial memorial myocardial corporeal immemorial factorial tutorial categorial manorial sartorial janitorial purgatorial reportorial equatorial dictatorial incorporeal professorial seigniorial piscatorial advertorial lavatorial gubernatorial senatorial gladiatorial curatorial proprietorial sportspeople combinatorial inquisitorial ambassadorial conspiratorial multifactorial extraterritorial