The word triplicating 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 triplicating
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Seven Letter Word Alert: (31 words)
alginic, aplitic, cantrip, carping, carting, catting, clipart, crating, initial, intagli, lairing, pairing, parting, patting, pigtail, pintail, pitting, placing, plating, prating, pricing, railing, ratting, tailing, tailpin, tantric, tilting, tipcart, titanic, tracing, triptan