Here's what rhymes with phthalidyl.
muddle puddle huddle cuddle fuddle befuddle Words that almost rhyme with phthalidyl
rubble rappel double trouble couple subtle bubble shuttle suppl supple publ tuple cudgel playable flyable addable rebuttal stubble friable scuttle dirigible redouble uncouple vocable unplayable acquirable oversubtle tamable damnable thermocouple decouple attachable filtrable unlikable vincible beatable unloveable conformable uncharitable unbridgeable nonviable unnameable ignitable dividable imperishable indissoluble exploitable unarguable containable imperturbable translatable compoundable transmutable untranslatable indemonstrable rustle ruffle runnel struggle muscle bundle tunnel puzzle bustle funnel muzzle shovel buckle chuckle rumble shuffle tional hovel hustle knuckle muffle mussel juggle phrasal suckle tussle caecal truffle trundle guzzle nuzzle pummel truckle gunnel lungful rumple tamale tousle humble frontal jungle fungal tumble crumble crustal ductile jumble ductal grumble lustful scuffle smuggle fumble mumble pustule bumble crumple reshuffle snaffle snuggle bungle duckbill snuffle unbuckle gumball jugful tubful mugful kerfuffle triumphal autumnal colourful nuptial stumble honeysuckle subtile trustful nonvocal tumbrel cupsful pinocle subcortical bestowal conformal peduncle suboptimal carbuncle prenuptial disgruntle prefrontal distrustful mistrustful duodecimal granduncle heptagonal antifungal