1. PREFIXES
bi- two

2. bicolor (adj)
having two different colors

3. bicuspid (n)
a two-pointed tooth located in the side of the jaw

4. bicycle (n)
a vehicle with two wheels

5. biennial (adj)
happening every two years

6. bifocals (n)
eyeglasses with lenses that have two different sections-for seeing close up and far away

7. bilingual (adj)
able to speak two different languages

8. bimonthly (adj)
happening every two months

9. biped (n)
a two-footed creature

10. biplane (n)
an airplane with two pairs of wings

11. biweekly (adj)
happening every two weeks