- canna edulis
- cut and run
- crude sugar
- chambers
- coded image space
- cervical dysplasia
- cupressus sempervirens
- central tegmental tract
- congenital hypoplastic anaemia
- congenital porphyria
- conjunctival diphtheria
- corticopontocerebellar tract
- control number
- carry a torch for
- courtesy and consideration
- count the cost
- chronic subdiral haematoma
- chronic intra_hepatic cholestasis
- control instruction register
- cholecystolithiasis
- colonial appearance
- congenital canities
- carotid sinus massage
- computer arithmetic
- card sharp
- card sharper
- corticonigral tract
- codmans triad
- caudata
- commitment of (a series of) dacoities
- consecutive operation
- consecutive sequence computer
- consecutive optic atrophy
- cubic craniophore
- cerebral metastasis
- chronic non_calculous cholecystitis
- congenital valvur aortic stenosis
- congenital pes vulgus
- cheeky (act etc.)
- congenital angulation of thyroxin
- congenital laryngeal stridor
- come to senses
- common sense
- congenital pylorospasm
- chronic adhesive pericarditis
- chronic hepatitis
- conjunctival congestion
- creator of the universe
- cardiomyotomy
- clean room