Paes·tum 
(pĕstəm, pēstəm)
(pĕstəm, pēstəm) An ancient city of southern Italy on the Gulf of Salerno. Founded as a Greek colony before 600 BC, it flourished as part of Magna Graecia and was taken by Rome in 273 BC.
- orthogonally
- orthogonal projection
- orthograde
- orthographer
- orthographic
- orthographical
- orthographically
- orthographist
- orthography
- ortholog
- orthologous
- orthologue
- orthomolecular
- orthomyxovirus
- orthopaedics
- orthopedic
- orthopedically
- orthopedics
- orthopedist
- orthopsychiatric
- orthopsychiatrical
- orthopsychiatrist
- orthopsychiatry
- orthopteran
- orthopterous