The word arteriograms 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: 17
Highest Scoring Words With Friends™ Play In The Letters arteriograms
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Seven Letter Word Alert: (61 words)
aerator, agarose, agatise, aigrets, amritas, armoire, armorer, armrest, arrears, artsier, atomise, atresia, eartags, egotism, gaiters, gamiest, garrets, garters, goiters, goitres, goriest, graters, grister, imagers, imagoes, isogram, maestro, margate, marrers, marrier, marries, migrate, mirages, mirrors, moister, mortars, mortise, ragtime, reroast, retrims, rioters, roamers, roarers, roaster, roister, sigmate, smarter, smartie, sorrier, stagier, stirrer, storage, tarrier, tarries, teargas, terroir, terrors, tremors, triages, trigram, trimers