which three letter word starts with r ends with d and has e in the middle

A new research on words shows that there is only one three letter word in the English dictionary that starts with r ends with d and has e in the middle, this has been proved by various experts, so, what is that word?

which three letter word starts with r ends with d and has e in the middle

Well, you guessed it right, the word is RED

This riddle can only be solved by top 0.5% of adults and is super viral on Internet right now.