| A | B |
| hemal | related to blood |
| foreleg | front leg |
| leukemia | condition whereby white cells destroy red cells |
| forefathers | ancestors |
| hexahedron | shape bounded by six surfaces |
| hectometer | one hundred meter |
| heptagon | seven-sided or seven-angled shape |
| heptarchy | government ruled by 7 |
| hemidemisemiquaver | sixty-fourth note |
| geography | study of the earth's surface, people, products |
| hemorrhage | rupture blood vessels |
| hexagon | six-sided or six-angled shape |
| forecasted | predicted |
| anemia | lack of red cells |
| toxemia | poisonous matter in the blood |
| geology | science of earth's structure and history |
| geometry | science dealing with lines, angles, curves, etc. |
| hectogram | metric measure of 100 grams |
| hemisphere | one half of a ball |
| apogee | when a satellite's orbit is farthest from the earth |