The word serializing 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: 24
Highest Scoring Words With Friends™ Play In The Letters serializing
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Seven Letter Word Alert: (31 words)
airings, airline, aisling, aligner, anglers, arising, erasing, gainers, genials, girlies, girnels, glazier, lairing, learing, leasing, lingers, nailers, railing, raising, realign, regains, renails, sailing, sealing, searing, seizing, slinger, zingare, zingari, zingers, zingier