U-boat /ūˈbōt or (German) ooˈ/

A German submarine

• boxcars
• box clever
• box-cloth
• box-cloths
• box-coat
• breeched
• breeches
• Breeches Bible
• breeches-buoy
• breeches-buoys
• breeches part
• breeches parts
• breeches role
• breeching
• breechings
• breechless
• breech-loader
• breech-loaders
• breech-loading
• breed
• breed-bate
• autotimer
• autotimers
• autotomies
• autotomy