| Word root/ prefix | Root Meaning | Words based on the Root |
|---|---|---|
| Homo, homeo | like, alike, same | Homogeneous - of the same nature or kind Homonym - sounding alike Homeopathy - a therapy that is based on treating "same with same" |
| Hyp/o | under | Hypoglycemia - an abnormally low level of sugar in the blood Hypothermia - abnormally low body temperature Hypothesis - a theory that is unproven but used under the assumption that it is true. |
| Hyper | too much, over, excessive, beyond | Hyperactive - very restless Hypercritical - too critical Hypertension - above normal pressure. |
| Icon/o | image | Icon - an (often religious) image, in modern usage a simplified graphic of high symbolic content Iconology - science of symbols and icons Iconoclast - someone who destroys religious images and traditional beliefs. |
| Idio | peculiar, personal, distinct | Idiomatic - Peculiar to a particular language. Idiosyncrasy - a physical or mental characteristic typical or a particular person Idiot - someone who is distinctly foolish or stupid. |