| A | B |
| hierarch | one who rules over holy things |
| oligotrichia | deficiency in the growth of hair |
| hierogram | a sacred symbol |
| hieromania | insanely religious; a pathological religious fervor |
| holistic | concerned with the whole rather than the parts |
| holocaust | a mass slaughter of people(especially through burning) |
| holoparasite | an organism that totally relies on another for survival |
| holism | theory that parts cannot be understood except in terms of the whole |
| megacosm | in reference to the vastness of the universe |
| megametric | one million meters, or one thousand kilometers |
| megascopic | large enough to be viewed by the naked eye |
| megazooid | large animals |
| isobilateral | having two equal sides |
| isodynamic | having equal strength |
| isopolity | having equal civil rights |
| isothermic | having a constant temperature |
| oligodipsia | a lack of thirst and a reduction of fluid consumption |
| oligomorphic | having or passing through few changes in form |
| oligophrenia | less than normal mental development |
| hierocracy | government ruled by church or religious officials |