The word picometres 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: 19
Highest Scoring Words With Friends™ Play In The Letters picometres
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Seven Letter Word Alert: (56 words)
coesite, compere, compete, copiers, coterie, emetics, emoters, empires, emptier, empties, epimers, episome, epitome, erotics, erotise, imports, imposer, isomere, mercies, meteors, metrics, metrise, moister, mopiest, mortise, pectose, permits, pierces, poetics, poetise, precise, premise, primost, promise, receipt, recipes, recites, reemits, remotes, rescope, respect, respice, respite, retimes, ropiest, scepter, sceptre, specter, spectre, spermic, stomper, tempers, tempore, toprims, triceps, tropics