There are 13 words that end with 'ntiest'.
| lintiest | mintiest | runtiest |
| tentiest | daintiest | glintiest |
| flintiest | jauntiest | pointiest |
| scantiest | paintiest | flauntiest |
| squintiest | ||
Note: These 13 words that end with 'ntiest' are found from the USA & Canada version of the tournament Scrabble word list.