Final answer:
The word 'reddish' does not use the prefix 're'.
Step-by-step explanation:
The word reddish does NOT use the prefix "re". The prefix "re-" means "again" or "back", and is used to indicate repetition or reversal. However, the word "reddish" does not have any connection to repetition or reversal. It simply means a shade of red.
Learn more about the use of the prefix 're'