| A | B |
| astrometry | measurement of stars |
| asteroid | like a star |
| astronautics | science of space travel |
| aster | a star-like flower |
| astrologer | a person who tells fortunes by using the stars |
| asterick | a small star used in printing to indicate a special note |
| astronomy | the study of laws regarding the stars and planets |
| astronaut | a "space traveler" |
| polymorphic | having many shapes |
| monogram | design using one letter |
| polygraph | writing many things at once |
| monopoly | control of one over many things |
| monogamy | marriage to one person |
| monotheism | worship of one god |
| polytheism | worship of many gods |
| monomania | craze for one thing |
| monograph | an article on one subject |
| perimeter | the measure around something |
| peripheral | the area around a thing |
| atheist | belief that there is no God |
| astrology | study of stars |
| autograph | when a person signs her/his own name |
| theology | study of religious faith |
| pyromania | cumpulsion to start fires |
| keptomaniac | person with an impulse to steal |