The word aneurismal 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: 16
Highest Scoring Words With Friends™ Play In The Letters aneurismal
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Seven Letter Word Alert: (44 words)
aerials, alarums, alumina, alumnae, amnesia, animals, arenium, arsenal, emulsin, insular, inulase, laminae, laminar, laminas, lunaria, mailers, malaise, manlier, manuals, manures, marinas, marines, marlins, marulas, maulers, mensual, mineral, misrule, nailers, numeral, realism, remails, remains, renails, ruminal, samurai, saurian, seminal, seminar, serumal, sirname, surname, uraemia, urinals