A ragman is a word made from letters of another (7)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
anagram
(Other definitions for anagram that I've seen before include "Jumble of letters" , "new order, literally" , "'Master' of 'stream', say" , "For racing tipster, starting price, for example" , "Such as stop for post" .)