The word polarisations 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: 18
Highest Scoring Words With Friends™ Plays In The Letters polarisations
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Seven Letter Word Alert: (76 words)
artisan, aspirin, atonias, atropia, instars, isospin, lariats, liaison, lotions, nostril, ooplast, options, oration, parasol, parsons, partial, passion, pastors, patinas, patrial, patrols, patrons, pianist, piarist, pinitol, pintail, pistils, pistols, pistons, plantar, platoon, plosion, poisons, polaron, porosis, portals, portion, postils, potions, prisons, protons, raisins, rapists, rations, sailors, saloons, saltpan, satraps, sirloin, soloist, sonatas, soprano, sortals, spartan, spatial, spinals, spirals, spirits, splints, sponsor, sporont, sprains, sprints, stanols, strains, tailors, tailpin, tarpans, tarsals, tilapia, tonsils, toprail, topsail, topsoil, torsion, tsarina