orotund /öˈrə-tund, ōˈ or oˈ/, also ororotund /-ro-rə-tund/

1. (of a voice) full, round or sonorous
2. (of something said) pompous, grandiloquent

• Holy Office
• holy of holies
• Holy One
• holy orders
• Holy Roller
• Holy Roman Empire
• holy-rood
• Holy-rood Day
• holy-roods
• Holy Saturday
• Holy See
• Holy Sepulchre
• ionospheric
• ionotropic
• ions
• iontophoreses
• iontophoresis
• iontophoretic
• iopanoic acid
• ios
• iota
• iotacism
• iotacisms
• iotas
• IOU