The word paediatrician 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: 21
Highest Scoring Words With Friends™ Plays In The Letters paediatrician
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Seven Letter Word Alert: (46 words)
acapnia, adapter, airdate, anaptic, antacid, apteria, cairned, cantrap, cantred, cantrip, captain, carinae, certain, citrine, denarii, detrain, incited, inciter, inditer, inertia, nitride, painted, painter, panacea, patinae, patined, pertain, picante, picrate, picrite, pirated, pranced, predict, printed, radiant, radiate, readapt, repaint, riptide, tapirid, tiaraed, tiderip, tradein, trained, tranced, triadic