The word rubberneckers is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 28
Highest Scoring Words With Friends™ Play In The Letters rubberneckers
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Seven Letter Word Alert: (20 words)
berserk, buckeen, bunkers, burners, censure, crubeen, ensurer, rebuker, rebukes, reburns, recures, recurse, reekers, rescrub, rescuer, rubbers, securer, serener, sneerer, snubber