The word integrals 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
Seven Letter Word Alert: (77 words)
aiglets, aigrets, aligner, anglers, anglist, antlers, antsier, argents, elastin, elating, entails, erasing, gainers, gaiters, garnets, gastrin, gelatin, genials, genital, girnels, glisten, glister, granite, gristle, ingrate, largest, lasting, latrine, learing, leasing, ligates, lingers, nailers, nailset, nastier, ratings, ratline, realign, realist, regains, reliant, renails, rentals, reslant, restain, resting, retails, retains, retinal, retinas, ringlet, salient, saltern, saltier, salting, sealing, searing, seating, singlet, slatier, slating, slinger, stagier, stainer, staring, sternal, stinger, strange, tagline, tangier, tangles, tearing, teasing, tingler, tingles, trenail, triages