The word loquacities 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: 25
Highest Scoring Words With Friends™ Play In The Letters loquacities
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Seven Letter Word Alert: (37 words)
acquest, acquist, acquits, alecost, aliquot, aloetic, calques, castile, celosia, ciliate, cliques, coalise, coalite, coequal, colitis, elastic, elicits, iolites, isolate, italics, laciest, lactose, laicise, locates, lucites, oculist, oiliest, outlies, outsail, sequoia, siliqua, silique, solicit, stoical, sulcate, tequila, utilise