The word bacterizing 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: 29
Highest Scoring Words With Friends™ Play In The Letters bacterizing
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Seven Letter Word Alert: (32 words)
baiting, bearing, beating, bracing, brazing, cabinet, carbine, carting, certain, citizen, citrine, crating, crazing, granite, igniter, inciter, inertia, ingrate, reicing, ribcage, tangier, tearing, teazing, tiering, tracing, zebraic, zincate, zincier, zincite, zingare, zingari, zingier