The word underproducing 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: 28
Highest Scoring Words With Friends™ Play In The Letters underproducing
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Seven Letter Word Alert: (85 words)
codding, condign, cording, coreign, cornier, corning, couping, courier, cringed, cringer, crunode, curried, curring, dendron, dodgier, droning, dungeon, educing, eroding, gridder, grinded, grinder, grinned, grinner, groined, grouped, grouper, groupie, guerdon, ignored, induced, inducer, inuendo, negroid, nodding, nondrip, nondrug, nonepic, opening, pending, penguin, podding, porcine, pounced, pouncer, pounded, pounder, pouring, procure, prodder, prodrug, produce, pronged, prouder, pruning, prurigo, pudding, pudgier, punnier, purring, redoing, redound, regrind, regroup, reincur, rending, reunion, ripcord, rodding, rongeur, rounded, rounder, roundup, ruddier, runnier, uncoded, uncored, uncured, undergo, undined, undoing, undoped, undried, unicorn, unriper