blueberries
Eleven letter words with second letter U, last letter R are:bullfighterbushwhackerquicksilverrumormongersupertankersurfboarder
barometer
Banister, bachelor, brawnier, brainier...
Warble, bawler
cobbler
genres
Amber
rotogravure
barrel
blueberries
The eleven letter word is preliminary.
Brother
Brother.
Ascribable - Improbable - Improbably -
barks
programming