Chrondos
Cartilage (chondrichthyes)
Chore
Dance (chorography)
Chrom-
Color (chromosome)
Chron-
Time (chronic)
Cide
Kill (homocide)
Circu-
Around (circumference)
Clade
Branch (cladistic)
Clator
Caller (nomenclature)
Coel-
Cavity (coelom)
Cogn-
Know (recognize)
Con
Together (conjugation)
Contra-
Against (contradict)
Corp-
Body (corpse)
Costa-
Rib (intercostal muscles)
Counter-
Against (counter argument)
Culum
Cable (reticulum)
Cuti-
Skin (cuticle)
Cycle
Circle (bicycle)
Cyst-
Capsule (nematocyst)
Cyto-
Cell, vessel (cytoplasm)