- A horserace between pacers or trotters harnessed to sulkies.挽车赛马：快跑或小跑的马拖着单人双轮马车的跑马赛
- psychopaths
- psychopathy
- psychopharmacology
- psychophysics
- psychophysiology
- psychos
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- psychosexual
- psychosis
- psychosocial
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- psychosomatic
- psychosomatics
- psychosurgery
- psychotechnics
- psychotherapeutics
- psychotherapist
- psychotherapy
- psychotic
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- psych-out
- psychro-
- psychrometer