The word interlards 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: 13
Highest Scoring Words With Friends™ Play In The Letters interlards
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Seven Letter Word Alert: (85 words)
antlers, antsier, aridest, artsier, astride, darners, darters, delints, denials, dentals, dentils, derails, destain, details, detains, detrain, dialers, dilater, dilates, disrate, drainer, elastin, enlards, entails, errands, errants, instead, landers, larders, lardier, latrine, nailers, nailset, nastier, raiders, randier, ranters, ratline, realist, redials, reliant, renails, rentals, reslant, restain, retails, retains, retards, retinal, retinas, retrain, retrial, sainted, salient, saltern, saltier, sandier, sardine, slander, slanted, slatier, snailed, snarled, snarler, stained, stainer, stander, starred, sternal, stirred, strider, tardier, tarried, tarries, tendril, terrain, tinders, tirades, tradein, traders, trailed, trailer, trained, trainer, trenail