The word griddlecakes 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: 24
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (93 words)
aediles, caddies, cereals, cleared, clerked, cradled, cradles, creaked, creased, deaired, dealers, dearies, decades, decares, decider, decides, deciles, deckels, deckers, deckles, declare, decrial, decried, decries, degrade, deicers, deleads, derails, derides, descale, desired, dialers, discard, dredges, eclairs, elegaic, elegiac, garlics, gaslike, gelders, gilders, girdled, girdles, glacier, gladder, gliders, gracile, grackle, greased, griddle, kidders, ladders, laddies, lagered, leaders, leakers, leakier, ledgers, lickers, radicel, radices, radicle, readied, readies, realise, reasked, reclads, redeals, redials, regilds, relaced, relaces, rescale, resided, reslice, riddles, saclike, saddler, scalded, scalier, sclerae, sedgier, sickled, sidecar, skelder, skidder, skirled, slacked, slacker, sledder, sledged, slicked, slicker