The word discriminators 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: 22
Highest Scoring Words With Friends™ Play In The Letters discriminators
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Seven Letter Word Alert: (93 words)
actions, animist, astroid, atomics, atonics, caisson, candors, cantors, carotid, carrion, carrots, cartons, casinos, castors, cations, citrons, coadmit, conidia, consist, corands, corsair, costars, cratons, crimson, crinoid, diarist, diatoms, diction, diosmin, disarms, discant, domains, domatic, donairs, dormant, drastic, iconism, iconist, idiotic, incisor, indicts, inroads, instars, iodisms, marconi, martini, martins, mascots, masonic, mastoid, matrons, microns, midairs, mirador, miscast, miscoin, missaid, mission, missort, mitosis, mordant, mortars, mosaics, nicosia, nimrods, nomadic, nordics, ordains, racisms, racists, raisins, ramrods, rancors, randoms, ransoms, rations, satiric, scorias, simians, sinoids, sitcoms, somatic, somitic, soricid, stardom, strains, strands, stridor, stroams, tocsins, triadic, trocars, tsarism