The word meteorologist 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™ Play In The Letters meteorologist
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Seven Letter Word Alert: (85 words)
egotism, egotist, elegist, elegits, elogies, elogist, emitter, emoters, erotise, estriol, glister, glitter, glories, glottis, goiters, goitres, gooiest, goosier, goriest, gristle, grottos, isomere, itemset, legroom, letters, litters, loiters, looters, melters, meteors, metrise, metrist, mettles, moister, mortise, motlier, mottler, mottles, mottoes, omelets, omitter, oolites, orioles, otolite, ototome, reemits, regimes, regosol, remelts, remiges, remotes, resmelt, retiles, retilts, retimes, retitle, retools, risotto, rootlet, roselet, rosette, rototom, semilog, settler, slitter, smelter, sootier, sterile, stilter, stoolie, teleost, telomer, termite, testier, tilters, toilers, toilets, toolers, toolset, tooters, tootler, tootles, tootsie, tremolo, trestle