The word tetraspores 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: 14
Highest Scoring Words With Friends™ Play In The Letters tetraspores
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Seven Letter Word Alert: (96 words)
arrests, asperse, erasers, estates, operate, parrots, parsers, pasters, pastors, patters, pesters, poetess, porters, posters, potters, praetor, praters, presets, presort, presser, pretest, prorate, protest, raptors, raspers, rasters, ratters, reapers, rearose, reparse, repaste, repasts, repeats, reports, reposer, reposes, reposts, repress, rerapes, reroast, reseats, resorps, resorts, respots, restart, restate, resteps, resters, restore, restrap, retapes, retaste, retears, retests, retoast, retorts, retraps, retreat, roaster, roseate, rosette, rosters, rotates, rotters, seaport, seaters, septate, septets, serapes, serrate, setters, soapers, soarers, sorters, sparers, sparest, sparser, spatter, spearer, spotter, starers, starter, staters, stereos, streets, taperer, tapster, tasters, teapots, tearers, teasers, tersest, testers, toaster, treater, treetop