The word speculatively 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: 28
Highest Scoring Words With Friends™ Plays In The Letters speculatively
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Seven Letter Word Alert: (80 words)
acetyls, actives, acutely, alecups, aplites, aseptic, auletes, auspice, auspicy, caplets, capsule, captive, castile, cellist, cleaves, cuspate, cypsela, eclipse, ectypes, elastic, elative, ellipse, eluates, elusive, eluvial, epaulet, epicyte, epistle, estival, euclase, eustacy, eustely, eustyle, evilest, eyecups, eyepits, eyeslit, laciest, leucite, lucites, lustily, paisley, pallets, paucity, pelites, pellets, pilates, plastic, playlet, plicate, pluvial, pullets, pulleys, pulsate, saltily, saucily, scalpel, special, specula, spicate, spicula, spicule, steeply, stipula, stipule, suavely, suavity, sulcate, sylvite, tallies, teacups, tellies, typical, upscale, vacuity, valleys, vesical, vesicle, victual, vitally