The word congealment 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 congealment
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Seven Letter Word Alert: (31 words)
acetone, anemone, canteen, catelog, catogen, clement, coalmen, cognate, congeal, elegant, enolate, gatemen, lactone, magneto, megaton, melange, montage, montane, nanogel, neglect, neonate, nongame, nonlate, nonmale, nonmate, nonmeal, nonmeat, tangelo, telecom, telogen, tonnage