| A | B |
| Hemialgia | noun pain on one side of the head |
| Hemihedron | noun a crystal having half of the number of faces |
| Hemiepilepsy | noun convulsions on one side only |
| Hemiplegia | noun paralysis on one side only |
| Hemisphere | noun half of the globe |
| Hemidystrophy | noun one half of body is less developed than the other |
| Demimillionaire | noun one having less than a million |
| Demigod | noun a divine / supernatural being in classical mythology |
| Semidetached | adjective partly connected |
| Semiaquatic | adjective not totally in water |