Countable Nouns Starting with ORTHO and Containing S

Browse 22 valid English countable nouns starting with ORTHO and containing S, from Orthodontist, Orthotics, Orthopedist, Orthotist, Orthophosphate, Orthosis and Orthoclase 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 ORTHOA
1 words
orthoaxis
Starts with ORTHOC
2 words
orthoclase
orthocousin
Starts with ORTHOD
1 words
orthodontist
Starts with ORTHOE
1 words
orthoepist
Starts with ORTHOG
2 words
orthographist
orthogenesist
Starts with ORTHOM
1 words
orthomyxovirus
Starts with ORTHOP7 words
orthopedist
orthophosphate
orthoptist
orthopterist
orthopterologist
orthoprism
orthopsychiatrist
Starts with ORTHOS5 words
orthosis
orthosilicate
orthoscope
orthostat
orthostichy
Starts with ORTHOT
2 words
orthotics
orthotist

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