The word ornamentally 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: 21
Highest Scoring Words With Friends™ Play In The Letters ornamentally
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Seven Letter Word Alert: (36 words)
alertly, allayer, allonym, almoner, analyte, anatomy, annoyer, anomaly, antonym, anymore, arylate, lantern, lateral, loyaler, mayoral, montane, morally, nonamer, nonlate, nonmale, nonmate, nonmeal, nonmeat, nonreal, oatmeal, reallot, reannoy, remnant, retally, tannery, tollman, tollmen, tonally, tonearm, tramell, trolley