There are 398 13-letter words that start with 're'.
Note: These 398 13-letter words that start with 're' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with res, rec, rep, rea, ret, red, ref, rev, rem, rei, ree, rel, reg, ren, reb, reh, rew, reo, rer, rej, req, reu, rek, rez, rex, rey.
3-letter words start with 're' (13)