ac·ous·ti·cian 
(ăk′-stĭshən)
(ăk′-stĭshən)n.
A specialist in acoustics.
- chronologist
- chronology
- chronometer
- chronometric
- chronometrical
- chronometrically
- chronometry
- chronoscope
- chronoscopic
- chronotherapeutics
- chronotherapy
- chronotype
- chrys-
- chrys-
- chrysalid
- chrysalis
- chrysanthemum
- chryselephantine
- Chrysler
- chryso-
- chrysoberyl
- chrysocolla
- chrysolite
- chrysomelid
- chrysophyte