The word productively 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™ Plays In The Letters productively
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Seven Letter Word Alert: (77 words)
cervoid, cloture, clouted, codrive, coulter, coupled, coupler, couplet, courted, courtly, coverup, crudely, cruelty, cryptid, culprit, culvert, cuprite, cutlery, cutover, decrypt, devilry, dicotyl, diluter, diopter, dioptre, divorce, droplet, ductile, ductily, eductor, eudicot, euploid, evictor, ioduret, louvred, octuple, outlier, outlive, outride, outyelp, overcut, overlit, overtip, overtly, oviduct, peridot, picture, piloted, pivoted, pivoter, plouter, plovery, policed, politer, poulter, poultry, poutier, poverty, predict, produce, product, proudly, provide, pyloric, pyruvic, repilot, repivot, rivulet, tepidly, tiredly, toluide, tripled, tripole, trouped, verdict, viceroy, victory