Noun

1. A local tax on property (usually used in the plural)
2. A magnitude or frequency relative to a time unit
3. Amount of a charge or payment relative to some basis
4. The relative speed of progress or change
5. A quantity or amount or measure considered as a proportion of another quantity or amount or measure

Verb

1. Assign a rank or rating to
2. Be worthy of or have a certain rating
3. Estimate the value of
4. Desert one's party or group of friends, for example, for one's personal advantage
5. Employ scabs or strike breakers in
6. Take the place of work of someone on strike
7. Give (hair) the appearance of being fuller by using a rat
8. Catch rats, especially with dogs
9. Give away information about somebody