The word supplicating 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: 26
Highest Scoring Words With Friends™ Play In The Letters supplicating
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Seven Letter Word Alert: (70 words)
aisling, alginic, anglist, aplitic, capping, casting, catnips, causing, cingula, cupping, cusping, glucans, inclasp, intagli, italics, lacings, lapping, lapsing, lasting, lipping, lisping, listing, lunatic, lusting, nuptial, pasting, pausing, pianist, pigtail, pilings, pintail, placing, plastic, plating, platipi, plugins, pulping, pulpits, pulsing, sailing, salting, sapling, sapping, saucing, scaling, silting, sipping, slating, slicing, spacing, spicing, spicula, spiting, splitup, stipula, stuping, suiting, supping, tailgun, tailing, tailpin, tapings, tapping, tilings, tipping, unclasp, unclips, unclipt, unsplit, upslant