There are 19 12-letter words that start with 'cap'.
Note: These 19 12-letter words that start with 'cap' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with capi, capt, caps, capa, cape, capr, capo, capp, capu, capl, capf, caph, capm, capy.
4-letter words start with 'cap' (4)