Still a word, from seven letters to one

Q.: There is a common English word that is seven letters long. Each time you remove a letter from it, it still remains a common English word - from seven letters right on down to a single letter. What is the original word, and what are the words that it becomes after removing a letter at a time?
- Sherry

A.: Actually, there are a few words that can do this, but only one can really be considered common: Creates. The words are:
Creates
Create
Crate
Rate
Ate
At
A

Q.: What is the only 15 letter word that can be spelled without repeating a letter?

A.: Uncopyrightable.