The word gradients 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: (54 words)
aigrets, antsier, argents, aridest, astride, dangers, darting, deraign, destain, detains, detrain, disrate, dragnet, erasing, gainers, gaiters, ganders, gardens, garnets, gastrin, grained, granite, granted, ingrate, instead, nastier, ratings, reading, regains, restain, resting, retains, retinas, sainted, sandier, sardine, searing, seating, stagier, stained, stainer, stander, staring, stinger, strange, tangier, tearing, teasing, tinders, tirades, tradein, trading, trained, triages