Countable Nouns Starting with OS and Containing RO

Browse 10 valid English countable nouns starting with OS and containing RO, from Osteonecrosis, Osteoarthrosis, Osteopetrosis, Osteoarthropathy, Osteochondropathy, Osteochondrophyte and Osteochondrosarcoma to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with OST
10 words
osteonecrosis
osteoarthrosis
osteopetrosis
osteoarthropathy
osteochondropathy
osteochondrophyte
osteochondrosarcoma
ostrowskia
osteoenchondroma
osteochondrofibroma

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