set·ter 
(sĕtər)
(sĕtər)n.
1. One that sets: a setter of printing type; a setter of rabbit traps.
2. Any of several breeds of long-haired hunting dogs originally trained to indicate the presence of game by crouching in a set position.
- planetarium
- planetary
- planetary nebula
- planetary science
- planetary scientist
- planetesimal
- planetesimal hypothesis
- planetoid
- planetoidal
- planetological
- planetologist
- planetology
- plane tree
- planet wheel
- plangency
- plangent
- plangently
- plani-
- plani-
- planimeter
- planimetric
- planimetrical
- planimetry
- planish
- planisher