There are 29 8-letter words that start with 'kin'.
Note: These 29 8-letter words that start with 'kin' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with king, kine, kind, kink, kins, kina, kinf, kini, kinn, kino, kinl.
4-letter words start with 'kin' (7)