The word percolation 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: 19
Highest Scoring Words With Friends™ Play In The Letters percolation
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Seven Letter Word Alert: (90 words)
aconite, aileron, aircool, aloetic, apricot, article, caliper, calorie, caltrop, cantrip, capitol, caption, carpool, cartoon, central, certain, clarion, clipart, coalier, coalite, coalpit, control, coolant, copilot, corneal, coronal, coronet, ectopia, elation, enactor, erotica, inplace, lactone, latrine, lection, locator, loonier, loopier, nepotal, nepotic, opaline, operant, optical, oration, otarine, painter, panicle, pelican, pentail, pertain, picante, picrate, plainer, planter, platoon, plicate, pointer, polaric, polaron, polecat, politer, porcine, porotic, portico, portion, praline, precoat, precool, proline, pronate, prootic, protean, protein, ratline, recital, reliant, repaint, repilot, replait, replant, replica, repoint, retinal, retinol, toenail, topical, topline, toprail, trenail, tripole