The word groundskeeper 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: 25
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (82 words)
deepens, degrees, degunks, dengues, depones, deposer, drunker, endorse, endures, ensured, ensurer, genders, gourdes, greened, greener, gropers, grounds, grouped, grouper, groused, grouser, guerdon, gurners, keepers, kerogen, knurred, needers, negroes, openers, perused, ponders, porkers, pounder, pourers, preened, preener, prodrug, pronged, prouder, pruners, purgers, redrugs, reekers, regreen, regroup, renders, reneged, reneger, reneges, renegue, reopens, reperks, reposed, reposer, repours, reprune, resound, respoke, respond, resurge, reurged, reurges, rongeur, rounder, serener, sneered, sneerer, sounder, speeder, spender, spondee, sponged, sponger, spurned, spurner, spurred, supered, surgeon, undergo, undoers, unposed, unspoke