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