| A | B |
|---|
| unity | the state of being one |
| union | the joining of two or more things to form a larger group |
| reunion | meeting of people after a long time apart |
| unite | join together |
| unison | doing the same thing at the same time |
| unicorn | a mythical one-horned creature |
| unicycle | a one-wheeled riding device |
| universe | all that exists |
| universal | shared by everyone and everything |
| university | all the colleges on a campus |
| unique | one of a kind |
| decade | a ten year period |
| decimal | a number system with 10 as its base |
| century | ten groups of ten years |
| centimeter | one-hundredth of a meter |
| centipede | a hundred-legged creature |
| centennial | a one-hundred-year celebration |
| centigrade | measurement of temperature |
| percent | a part that's one one-hundredth |
| percentage | a fraction or portion of something |
