Here's what rhymes with disallowed.
allowed loud aloud crowd cloud proud bowed avowed vowed ploughed plowed shroud sowed cowed disavowed sourdough wowed trowed becloud enshroud overcrowd overcloud resowed endowed houseproud powwowed snowplowed snowploughed thundercloud cornrowed Words that almost rhyme with disallowed
rout lout about doubt shout couch drought tout trout bout gout pouch ahout clout sprout toute crouch grout vouch flout gouge pout slouch avouch grouch kraut nowt throughout stout scout snout spout redoubt sauerkraut logout without devout thereabout hereabout turnabout debouch marabout layabout beansprout knockabout runabout downspout roustabout gadabout roundabout waterspout walkabout mangetout round roused yowled found around ground bound sound pound wound aroused crowned abound drowned frowned housed lb mound surround growled hound aground howled mouthed browned downed fouled lounged browsed gouged prowled gowned drowsed clowned dowsed moused fowled renowned espoused unsound rebound unbound resound scowled redound unwound astound uncrowned rewound scrounged overground rockbound showground profound confound expound inbound newfound propound turnaround impound wraparound befouled hardbound housebound icebound loudmouthed runaround fogbound foulmouthed turnround newshound dumfound underground ultrasound battleground widemouthed wolfhound closemouthed musclebound strikebound