The word isomerization 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: 26
Highest Scoring Words With Friends™ Play In The Letters isomerization
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Seven Letter Word Alert: (96 words)
airiest, airtime, animist, animose, anomers, antsier, artsmen, atomise, atomize, atoners, azotise, emotion, enamors, erosion, inertia, inmates, inosite, interim, ioniser, ionizer, ionizes, ionomer, iotizes, irisate, ironies, maestro, marines, maroons, martens, martini, martins, matrons, maziest, mentors, meronts, mesozoa, minaret, miniate, minters, mintier, mistier, miszone, moaners, moisten, moister, monitor, monster, moraine, mortise, motions, nastier, noisier, noisome, norites, oarsmen, ooziest, oration, orients, osteoma, otarine, ozonate, ozonise, raiment, rations, remains, remints, restain, retains, retinas, romaine, searoom, seminar, senator, siriema, sirname, smarten, smartie, snoozer, sootier, stainer, stonier, tearoom, termini, tonearm, toonies, torsion, treason, triones, tzarism, zaniest, zeatins, zionism, zionist, zoisite, zonates, zootier