diverticula/dievuhʹtikyoolə/ noun

• osprey
• ossein
• osseous
• Ossetian
• ossicle
• ossify
• osso bucco
• ossuary
• oste-
• osteitis
• ostensible
• ostensive
• ostentation
• osteo-
• osteoarthritis
• osteology
• osteoma
• osteomalacia
• osteomata
• osteomyelitis
• osteopathy
• osteophyte
• osteoporosis
• ostinato
• ostler