There are 15 13-letter words that start with 'can'.
Note: These 15 13-letter words that start with 'can' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with cant, cann, cand, cano, cana, canc, cani, canv, cane, canu, cank, canz, cany, cans, canf, cang.
4-letter words start with 'can' (3)