The word colorimeters 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: 19
Highest Scoring Words With Friends™ Plays In The Letters colorimeters
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Seven Letter Word Alert: (82 words)
cleomes, coeloms, coesite, colorer, colters, coolers, coolest, cooties, coterie, creoles, creosol, crosier, elector, emetics, emoters, erector, erotics, erotise, estriol, isomere, loiters, looters, lorries, melters, mercers, mercies, meteors, metrics, metrise, miterer, moister, mortise, motlier, ocelots, omelets, oolites, orioles, osmotic, reciter, recites, reclose, recoils, recolor, rectors, reemits, reliers, remelts, remorse, remoter, remotes, reroots, rescore, reslice, resmelt, restore, retiles, retimer, retimes, retires, retools, retries, retrims, rioters, roister, roomers, roomier, rooster, rooters, roselet, scooter, smelter, sootier, sterile, stoolie, telecom, telomer, toilers, toolers, tremolo, tremors, trimers, trireme