The word consigners 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: 17
Highest Scoring Words With Friends™ Play In The Letters consigners
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Seven Letter Word Alert: (26 words)
censors, cession, cognise, coiners, consign, coreign, corning, cosigns, cosines, cringes, cronies, engross, ensigns, ignores, ingress, recoins, regions, resigns, scoring, seniors, sensing, signers, signors, singers, sinners, snoring