There are 29 11-letter words that end with 'ker'.
Note: These 29 11-letter words that end with 'ker' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with cker, aker, nker, rker, oker, lker, iker, sker, eker, kker, wker, uker.
5-letter words end with 'ker' (22)