The word characterizing 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: 34
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (97 words)
accinge, actinic, agatine, agatize, angrier, archaic, archean, arching, arraign, arrange, caching, carinae, carnage, cartage, carting, catarrh, catcher, centric, certain, chagrin, chainer, chancre, changer, chanter, charger, charier, charter, chintze, cithern, citizen, citrine, crating, crazier, crazing, cringer, czarina, earring, erratic, etching, grainer, granite, granter, hairier, hairnet, hearing, heating, herring, ichnite, icteric, igniter, inciter, inertia, ingrate, inherit, inreach, itchier, itching, narrate, nightie, racecar, rainhat, rainier, rancher, rangier, ratrace, rearing, recatch, rechain, rechart, regrant, reicing, retrain, rhizine, righter, ritzier, tanager, tangier, tarring, tearing, teazing, terrain, tiering, trachea, tracing, trainer, tranche, triarch, tzarina, zecchin, zincate, zincier, zincite, zingara, zingare, zingari, zingier, zithern