what these seven words all have in common?

1. Banana
2. Dresser
3. Grammar
4. Potato
5. Revive
6. Uneven
7. Assess

Hare and Deer leaps

A hare makes 6 leaps in the same time as a deer makes 4, but the deer's leap is 21/2 m while the hare's is only 1 m. How many leaps will the deer make before catching the hare, supposing the hare was to have a start of 13m on a straight road?