There are 6 8-letter words that end with 'nisms'.
| clonisms | pianisms | plenisms | peonisms |
| onanisms | uranisms | ||
Note: These 6 8-letter words that end with 'nisms' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with onisms, anisms, inisms, enisms, rnisms, unisms, gnisms.
7-letter words end with 'nisms' (3)