The answers to the clues below will have something in common.

1. Good Samaritan parable figure
2. The street (and house number) where you live
3. Chinese-food appetizer
4. Nothing succeeds like this
5. Sometimes we have to walk on them
6. It sounds a lot like "pregnant" in Spanish
7. What happened when something happened
8. Devoted or placed in a mental institution

Answers:

1. Innkeeper
2. Address
3. Eggroll
4. Success
5. Eggshells
6. Embarrassed
7. Occurrence
8. Committed

All the answer words have two sets of double letters.