The word hankerings 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: 20
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (30 words)
arshine, earning, erasing, gainers, garnish, gherkin, gnasher, hangers, hankers, hankies, harkens, harking, hearing, hernias, insaner, kerning, nearing, ranking, reaking, regains, rehangs, searing, shakier, shaking, sharing, sinkage, skinner, snakier, snaking, snaring