There are 12 words that end with 'ueness'.
dueness | blueness |
trueness | vagueness |
opaqueness | uniqueness |
brusqueness | obliqueness |
biuniqueness | grotesqueness |
nonuniqueness | picturesqueness |
Note: These 12 words that end with 'ueness' are found from the USA & Canada version of the tournament Scrabble word list.