The word triglycerides 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: 22
Highest Scoring Words With Friends™ Play In The Letters triglycerides
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Seven Letter Word Alert: (76 words)
clerisy, credits, crested, deceits, deciles, decrier, decries, deicers, deistic, deities, delicts, derries, desirer, diciest, diester, dieters, dietics, dieties, directs, dirtier, dirties, dirtily, distyle, ditsier, edgiest, eidetic, elegist, elegits, elicits, erectly, eyelids, eyeslit, gelders, gilders, girders, girdles, girlier, girlies, gliders, glister, greyest, grister, gristle, gristly, ledgers, recited, reciter, recites, redries, reedits, regilds, regrets, reliers, resider, reslice, restyle, retiled, retiles, retired, retires, retried, retries, rigidly, sedgier, seedily, sidelit, siltier, sterile, stirred, strider, stylier, tersely, tidiers, tireder, tiredly, yielder