| ORRIS | Root of the iris |
| TONSIL | Either of the two small masses of lymphoid tissue on each side of the root of the tongue |
| CORRELATION | In statistics, a ____ coefficient is the covariance of the random variables X and Y, divided by the square root of the product of their variances |
| TONSILLITIS | Inflammation affecting either of two small masses of lymphoid tissue on each side of the root of the |
| TUBER | Underground type of stem or rhizome in the form of a potato, Jerusalem artichoke, cassava, taro or yam; or, the root of the dahlia (5) |
| VESPER | From the Latin for "evening" and root of the word "west", the name given to Venus at sunset (6) |
| STEM | Check the root of the word (4) |
| TONSILS | Lymph glands at the root of the tongue (7) |
| TAPIOCA | Starchy granular substance prepared from the root of the cassava plant |
| TURNIP | The white, edible root of the plant Brassica rapa (6) |
| THYMI | Glands at the root of the neck which become vestigial in adulthood |
| KAVA | Drink made from the root of the pepper plant |
| DENTIST | One who gets to the root of the problem? |
| BRIAR | Tobacco pipe made from the root of the plant Erica arborea (5) |
| EDDO | The starchy root of the taro plant eaten as a vegetable in curries, sautes, stews and various other dishes (4) |
| FEAR | Term for dread which, in Greek, is the root of the word "phobia" (4) |
| PUPIL | The dark circular aperture at the centre of the iris of the eye, through which light enters |
| AQUEOUS | The ___ humour is a liquid that occupies the space in front of the iris and lens and the ringlike space encircling the lens (7) |
| GUM | The firm flesh around the roots of the teeth |
| GUMS | Firm areas of flesh around the roots of the teeth (4) |
