There are 13 11-letter words that end with 'tism'.
| autoerotism | achromatism | antielitism |
| astigmatism | corporatism | immanentism |
| irredentism | polyglotism | proselytism |
| suprematism | systematism | vigilantism |
| xerophytism | ||
Note: These 13 11-letter words that end with 'tism' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with atism, otism, itism, etism, ntism, utism, ptism, ttism, ytism, ftism, htism, ltism, rtism, stism.
6-letter words end with 'tism' (2)