There are 23 12-letter words that end with 'cking'.
Note: These 23 12-letter words that end with 'cking' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with acking, icking, ocking, ecking, ucking, ncking, lcking, rcking.
7-letter words end with 'cking' (45)