The word macroeconomic 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: 25
Highest Scoring Words With Friends™ Plays In The Letters macroeconomic
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Seven Letter Word Alert: (19 words)
ammonic, cacemic, carmine, ceramic, cocaine, cornice, incomer, ionomer, marconi, meconic, monomer, moraine, moronic, oceanic, omicron, raccoon, racemic, romaine, romance