There are 3 12-letter words that end with 'hiest'.
| airworthiest | seaworthiest | unhealthiest |
Note: These 3 12-letter words that end with 'hiest' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with chiest, shiest, thiest, ghiest.
6-letter words end with 'hiest' (1)