The word duplicators 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: 20
Highest Scoring Words With Friends™ Play In The Letters duplicators
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Seven Letter Word Alert: (64 words)
apricot, astroid, auditor, caltrop, capitol, captors, carotid, cladist, clipart, coalpit, cordial, cotidal, couldst, crustal, cuatros, culprit, cupolas, curials, curtail, custard, dialups, dilator, dipolar, disrupt, drastic, dualist, ductors, lauroid, oculars, oculist, optical, oscular, outraps, outsail, outspar, parotid, patrols, plastic, plastid, plaudit, podcast, polaric, portals, poulard, product, prosaic, rituals, rosalic, scrotal, slipout, spicula, stipula, stoical, tailors, topical, toprail, topsail, torpids, tripods, tropics, uploads, uprisal, upstair, utopias