- Ceterach
- Ceratopteris
- chalazion
- cephalhematoma
- cyst of urachus
- crescent_cell anemia
- crescent_cell anaemia
- communicable disease
- cgs
- colpocystopexy
- cerebral edema
- common burdock
- cytohistological diagnosis
- common brant goose
- cytogenic reproduction
- cucurbita mixta
- cucurbita argyrosperma
- curvature index of glenoid fossa
- curvature of tibia
- cuspule
- cesspool
- corn fritter
- cover story
- carex pseudocyperus
- cowry
- Cupressus arizonica
- Cupressus macrocarpa
- Cupressus goveniana pigmaea
- Cupressus pigmaea
- Cupressus lusitanica
- Cupressus abramsiana
- cedar of Goa
- Cupressus goveniana abramsiana
- Cupressus guadalupensis
- Cupressus goveniana
- characin
- catostomid
- characid
- characin fish
- c. northcote parkinson
- cash account
- critter sitter
- creme caramel
- creme anglais
- creme brulee
- custom and excise officer
- compartmentalise
- closeout
- compartmentalize
- clearance sale