The word spherometers 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™ Plays In The Letters spherometers
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Seven Letter Word Alert: (64 words)
emerses, emoters, emperor, empress, esteems, heptose, heteros, meeters, meshers, meteors, mothers, pesters, pheeses, poetess, porters, posters, pothers, premeet, presets, presort, presser, preterm, rehomes, remeets, remorse, remoter, remotes, reports, reposer, reposes, reposts, repress, reshoes, reshore, resorps, resorts, respots, restems, resteps, resters, restore, retrees, rhetors, rompers, rosters, seether, seethes, sheerer, sheeter, shorter, smother, sorters, spheres, steeper, steerer, stereos, stomper, strophe, teemers, tempers, tempore, theorem, thermos, tremors