There are 8 12-letter words that end with 'lls'.
| chlorophylls | cockleshells | disenthralls |
| groundswells | knuckleballs | overfulfills |
| racquetballs | xanthophylls | |
Note: These 8 12-letter words that end with 'lls' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with alls, ills, ells, olls, ulls, ylls.
4-letter words end with 'lls' (3)