There are 14 words that end with 'iniest'.
| liniest | piniest | tiniest |
| viniest | winiest | briniest |
| shiniest | spiniest | rainiest |
| twiniest | veiniest | whiniest |
| brainiest | grainiest | |
Note: These 14 words that end with 'iniest' are found from the USA & Canada version of the tournament Scrabble word list.