Riddles!

[Answa~]

I travel yet I can't move, put me on the back and I'll travel the world.

 

[Alouette]

Backpack?

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

 

[Answa~]

Good answer, but mail stamp.

 

[Alouette]

Ah I see, I'm guessing no one knew the answer for mine. So here:

Startling; Starting; Staring; String; Sting; Sing; Sin; In; I.