Zend-Avesta/ˌzend əʹvestə/ noun

• control order
• control panel
• control rod
• control surface
• control tower
• control unit
• controversial
• controversy
• controvert
• contumacious
• contumely
• contuse
• contusion
• conté
• conundrum
• conurbation
• conus
• conus arteriosus
• conus medullaris
• convalesce
• convect
• convection
• convector
• convene
• convener