The word macroeconomics 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: 26
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (61 words)
ammines, ammonic, amnesic, animose, anomers, arcsine, arsenic, cacemic, cancers, canoers, carmine, carnies, ceramic, cinemas, coarsen, cocaine, cocoons, coiners, commons, concise, corneas, cornice, coronas, crimson, cronies, enamors, erosion, icemans, incomer, incomes, ionomer, maimers, marconi, marines, maroons, masonic, meconic, memoirs, microns, mincers, misname, moaners, monomer, moraine, moronic, noisome, oarsmen, oceanic, omicron, raccoon, racemic, racoons, recoins, remains, romaine, romance, scoriac, scoriae, searoom, seminar, sirname