The word macroscopically is playable in Words With Friends™, but 1 blank substituting for the letter 'c' is 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: 30
Highest Scoring Words With Friends™ Plays In The Letters macroscopically
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Seven Letter Word Alert: (62 words)
acclaim, accloys, acrylic, acyclic, aircool, airplay, calicos, caloric, calypso, campily, carpals, carpool, clamors, cloacal, cloacas, cocoyam, collars, comical, corolla, crayola, crisply, cyclism, cyclops, impalas, lipomas, lyrical, mailcar, mayoral, miscall, miscopy, misplay, morally, mycolic, ooplasm, pallors, parasol, parlays, payroll, piccolo, pillars, pillory, plimsol, polaric, polarly, polyols, polyoma, poromas, primacy, prismal, prosaic, prosoma, psalmic, pyloric, rosalic, sarcoma, scallop, scarily, scoriac, scorpio, scrimpy, soapily, spacial