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