The word transiency 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 transiency
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Seven Letter Word Alert: (43 words)
ancient, antsier, arcsine, arsenic, canines, cannery, cannier, canters, carnies, catenin, certain, cistern, cretins, cristae, cyanine, cyanins, cyanise, cyanite, cystine, entrain, icetray, incants, insaner, interns, nascent, nastier, nectars, nectary, raciest, recants, restain, retains, retinas, scanner, scanter, stainer, stannic, tanners, tannery, tenancy, tinners, trances, triynes