There are 20 12-letter words that start with 'tel'.
Note: These 20 12-letter words that start with 'tel' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with tele, tell, telo, tela, teli, telf, teln, telp, tels, telc.
4-letter words start with 'tel' (4)