The word syncretized 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: 27
Highest Scoring Words With Friends™ Play In The Letters syncretized
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Seven Letter Word Alert: (48 words)
centers, centred, centres, cinders, cistern, credits, crested, cretins, cystine, deceits, decries, decynes, deicers, deniers, density, descent, destine, destiny, dezincs, diester, dieters, directs, discern, enteric, enticed, enticer, entices, entries, recited, recites, reedits, rescind, resized, scenery, scented, scenter, screeny, sincere, sterned, styrene, syenite, tenders, tinders, tindery, trienes, triynes, yestern, zestier