| A | B |
| complement | a quantity needed to make a thing complete; to be complementary to (supplying a defect, making complete, accessory). |
| compliment | An expression of courtesy; a flattering remark OR to pay a compliment. |
| conscience | Consciousness of the moral right and wrong of one's actions. |
| conscious | Aware; mentally awake or alert. |
| core | The central part of anything. |
| corps | An organized subdivision of a country's military forces. |
| cor | The muscular organ that maintains the circulation of the blood ( the heart). |
| coracoid | Like a raven's beak ( the coracoid process of the scapula). |
| choroid | The thin, pigmented, vascular coat of the eye, furnishing blood to the retina and conducting arteries and nerves to the anterior structures. |
| cytology | The study of cells (their origin, structure, function, and pathology). |
| sitology | The sum of knowledge regarding food, diet, and nutrition. |