The word imprecision 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: 21
Highest Scoring Words With Friends™ Plays In The Letters imprecision
:
Seven Letter Word Alert: (31 words)
coiners, copiers, crimson, crispen, cronies, empiric, eosinic, iconism, imposer, incisor, incomer, incomes, inspire, ioniser, irenics, ironies, menisci, microns, mincers, miscoin, noisier, pincers, porcine, princes, promise, psionic, recoins, sericin, spermic, spicier, spinier