There are 22 14-letter words that end with 'ls'.
Note: These 22 14-letter words that end with 'ls' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with als, els, lls, ils, ols, uls, yls, rls, wls, hls, tls, dls, xls.
3-letter words end with 'ls' (2)