There are 12 15-letter words that end with 'alists'.
| bioregionalists | educationalists |
| existentialists | fundamentalists |
| incrementalists | neocolonialists |
| sacramentalists | sensationalists |
| sentimentalists | operationalists |
| territorialists | traditionalists |
Note: These 12 15-letter words that end with 'alists' are found from the USA & Canada version of the tournament Scrabble word list.