The word multiplicands 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: 27
Highest Scoring Words With Friends™ Play In The Letters multiplicands
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Seven Letter Word Alert: (66 words)
alliums, animist, aplitic, catnips, cladist, cultism, dialups, diptail, discant, distill, dualism, dualist, dulcian, dustman, dustpan, impacts, implant, inclasp, indicts, indiums, inducts, install, instill, italics, lamplit, lunatic, maudlin, miscall, misdial, mislaid, mispaid, misplan, mudcaps, musical, nuptial, pallium, palmist, pianist, pintail, plasmid, plasmin, plastic, plastid, plaudit, psalmic, pundits, sanctum, sandpit, spicula, stadium, standup, stimuli, stipula, sundial, sunlamp, tailpin, timpani, tsunami, unclads, unclamp, unclasp, unclips, unclipt, unsplit, uplands, upslant