The word americanises 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 americanises
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Seven Letter Word Alert: (61 words)
airmass, amerces, amnesia, amnesic, anaemic, ancress, arcsine, arsenic, cameras, careens, carinae, carmine, carnies, caseins, censers, cerises, cinemas, creases, encases, ensears, icemans, icemass, iciness, incises, inseams, irenics, maniacs, marinas, marines, meanies, menaces, menisci, mercies, messier, mincers, nemesis, racemes, racisms, raisins, recanes, remains, remines, renames, rescans, sarcasm, screams, screens, seamers, seamier, seances, secerns, seismic, seminar, sericin, seriema, siamese, siemens, simians, sincere, siriema, sirname