The word colorimetrical 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: 25
Highest Scoring Words With Friends™ Play In The Letters colorimetrical
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Seven Letter Word Alert: (68 words)
aircell, aircool, airtime, alltime, aloetic, armoire, article, cacolet, calcite, calicle, calomel, caloric, calorie, caroler, ceramic, ciliate, circler, circlet, claimer, climate, coactor, coalier, coalite, coeliac, collate, collect, collier, colorer, cometic, comical, corolla, correct, creator, erotica, erratic, icecool, icteric, limelit, limiter, literal, loamier, locator, maltier, marlite, meiotic, metical, micella, militar, miracle, motlier, ocellar, octamer, oolitic, racemic, reactor, reallot, realtor, recital, reclaim, recolor, retrial, roilier, roomier, tallier, tearoom, trailer, tramell, tremolo