The most common and most likely answer to this crossword clue is the 7 letter word RESPELL
I've seen this crossword clue in The Daily Telegraph
R
E
S
P
E
L
L
Buddy explains!
The straight part
We know that "Put letters in different order again" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case put letters in different order again = respell.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RESPELL mean?
RESPELL verb- To spell again.