The word delectability 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™ Plays In The Letters delectability
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Seven Letter Word Alert: (38 words)
abetted, ability, acidity, aedilic, albitic, bacilli, battled, belated, belayed, bellied, betitle, bleated, cattily, cedilla, ciliate, citable, citadel, debacle, decabit, decibel, deltaic, deltate, dialect, dictate, dyeable, eidetic, eyeball, iceball, ideally, idyllic, labeled, lattice, libated, libeled, tacitly, tactile, tallied, tidally