The word spiritedness 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: 17
Highest Scoring Words With Friends™ Plays In The Letters spiritedness
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Seven Letter Word Alert: (97 words)
deities, deniers, densest, depress, deserts, desires, desists, despise, despite, dessert, destine, diester, dieters, dieties, dietine, dirties, dissent, ditsier, dresses, entries, inditer, indites, inepter, inserts, insider, insides, insists, inspire, insteps, nesters, nitride, penises, persist, pesters, pieties, pissier, pitiers, preedit, present, presets, preside, pressed, presses, pretend, priests, printed, pterins, redness, reedits, renests, repents, repined, repines, resends, resents, resides, resists, respins, respite, resteps, ripened, riptide, seitens, senders, serpent, sestine, sinters, sissier, sisters, snidest, snipers, spender, spiders, spinets, spinier, spirits, spirted, spriest, sprints, sprites, sterned, stipend, strides, striped, stripes, tenders, tepider, terpine, tiderip, tidiers, tiepins, tinders, tipsier, tressed, tresses, trienes, tripeds