The word promenading 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: 22
Highest Scoring Words With Friends™ Play In The Letters promenading
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Seven Letter Word Alert: (55 words)
adoring, amidone, andiron, aneroid, damning, damping, darning, demoing, deraign, draping, droning, earning, epigram, eroding, grained, grinned, groaned, groined, ignored, ironage, ironman, mangier, meaning, medigap, megapod, mendigo, mending, moaning, moraine, morning, nearing, negroid, nonamer, nondrip, nongame, nonpaid, opening, operand, pending, perming, pronged, reading, reaming, reaping, redoing, rending, repoman, ringman, ringmen, roadmen, roaming, roaning, romaine, romping, ropeman