The word facsimileing 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: 25
Highest Scoring Words With Friends™ Play In The Letters facsimileing
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Seven Letter Word Alert: (51 words)
aisling, alginic, amnesic, angelic, calming, ceasing, ceiling, cinemas, encalms, enigmas, facings, failing, famines, fancies, fiances, filings, filming, filmise, finagle, finales, finials, flagmen, flaming, flanges, geminal, genials, glances, gmelina, icemans, imagine, inflame, lacings, laicise, leafing, leasing, mailing, malices, maligns, mangles, menisci, mingles, misfile, sailing, scaling, sealing, seaming, seminal, sigfile, slicing, sliming, smiling