There are 234 13-letter words that start with 'no'.
Note: These 234 13-letter words that start with 'no' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with non, not, nor, nom, nos, nov, noo, nod, nob, noi, nou, noc, now, nog, nop, noe, nox, noh, nol, noy, noz.
3-letter words start with 'no' (10)