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