| A | B |
|---|
| monochrome | (adj)one color |
| monopoly | (n) control by one person or one company |
| unicorn | (n) a horse-like animal with one horn |
| unify | (v) to make one |
| duplex | (n) a house that has two separate units |
| biennial | (adj) happening every two years |
| bilingual | (adj) speaking two languages |
| trilogy | (n) a group of three plays or books with a common theme |
| triathlon | (n) an athletic contest usually involving swimming, running, and biking |
| quadrangle | (n) a figure with four sides and angles |
| quintuplet | (n) one of five offspring born at the same time |
| pentagram | (n) any figure made of five lines |
| hexagon | (n) a figure with six sides |
| sextant | (n) a sixth of a circle; an instrument for measuring angles |
| septennial | (adj) lasting seven year; happening every seven years |
| octagon | (n) a figure with eight sides |
| octave | (n) a group of eight lines; eight notes; any group of eight |
| decade | (n) ten years |
| decathlon | (n) a contest with ten different events |
| decimeter | (n) one tenth of a meter |
