Here's what rhymes with castebound.
bound pound lb downed found around round sound wound abound drowned mound hound browned astound gowned ground crowned frowned surround rebound unbound inbound propound redound impound hardbound housebound icebound clowned rockbound fogbound profound renowned confound unsound aground expound newfound resound turnaround unwound uncrowned wraparound rewound turnround showground newshound strikebound dumfound overground musclebound underground ultrasound battleground runaround wolfhound Words that almost rhyme with castebound
count mount lounge fount mt account amount surmount scrounge discount recount dismount remount paramount tantamount miscount bowed dowsed loud proud aroused housed roused vowed howled mouthed ploughed plowed sowed cowed fouled lounged browsed gouged prowled sourdough drowsed wowed yowled moused trowed fowled allowed crowd cloud aloud endowed avowed espoused growled shroud scowled befouled scrounged powwowed becloud loudmouthed widemouthed foulmouthed houseproud cornrowed snowplowed resowed snowploughed disallowed disavowed enshroud overcrowd closemouthed overcloud thundercloud