There are 29 6-letter words that start with 'cal'.
Note: These 29 6-letter words that start with 'cal' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with calc, call, cali, cala, calo, cale, caly, calu, calv, calm, calk, cald, calp, calt, calf, calq, calx, calz.
4-letter words start with 'cal' (6)