| A | B |
| theology | the study of religion |
| dynamic | vigorously active or forceful |
| chronological | in order of time |
| kilometre | 1000 metres |
| recycle | to make suitable for reuse |
| monolingual | able to speak only one language |
| bilingual | able to speak two languages |
| isosceles | having two sides equal |
| isotherm | a line that shows the same temperature on a weather map |
| orthodox | holding established beliefs especially in religion |
| orthopedics | medical specialty relating to correcting bone deformities |
| orthodontist | dentist who specializes in straightening teeth |
| idolatry | the religious worship of idols |
| geophysics | physical study of the earth |
| geopolitics | the study of the influence of geography on politics |
| polytheist | person who worships more than one god |
| geology | study of the earth |
| heliolatry | sun worshiping |
| isodynamic | of or relating to equality of force |
| chronometer | measurement of time |
| monochrome | a single color: black and white |
| heliocentric | belief that the sun is the center of the solar system |
| bicycle | with two circles |
| diarchy | ruled by two factions |
| perimeter | measurement of the outside edge |
| symmetry | balanced proportions |
| eccentric | out of the ordinary; outside of the circle |
| orthophonic | the correct sound |
| geometry | a branch of mathematics that deals with measurements of points, lines, angles, etc. |