or·tho·psy·chi·a·try 
(ôr′thō-sĭ-kīə-trē, -sī-)
(ôr′thō-sĭ-kīə-trē, -sī-)n.
The psychiatric study, treatment, and prevention of emotional and behavioral problems, especially of those that arise during early development.
or′tho·psy′chi·atric (-sī′kē-ătrĭk), or′tho·psy′chi·atri·cal (-rĭ-kəl) adj.
or′tho·psy·chia·trist n.
- underdevelopment
- underdo
- underdog
- underdone
- underdrawers
- underdress
- underdrive
- undereducated
- underemphasis
- underemphasize
- underemployed
- underemployment
- underendowed
- underestimate
- underestimation
- underexpose
- underexposure
- underfeed
- under fire
- underflow
- underfoot
- underfund
- underfur
- undergarment
- undergird