Mammoth Uncensored Word List:
33 words ending with ut, 9 letters long

astronaut bitternut butternut candlenut cosmonaut cybernaut deckedout dishclout downspout groundnut groundout hereabout hydronaut insideout kickabout landspout lunarnaut mangetout mockernut nondevout raccahout rainspout sandspout scrapegut sourkraut spacedout stirabout strikeout taikonaut thenabout turnabout walkabout zorbonaut