The word rhetorician 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
Seven Letter Word Alert: (42 words)
aconite, another, carrion, certain, chainer, chanter, charier, chariot, charter, cithern, citrine, cornier, creator, enactor, erotica, erratic, hairier, hairnet, haricot, hoarier, hornier, ichnite, inciter, inertia, inherit, inreach, itchier, norther, notcher, ornater, otarine, rainier, rancher, reactor, rechain, rechart, retrain, terrain, trainer, tranche, triarch, trochar