The word punctureless 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: 22
Highest Scoring Words With Friends™ Play In The Letters punctureless
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Seven Letter Word Alert: (87 words)
censers, censure, centers, centres, cluster, cresset, culture, cupless, cuprene, cupules, eluents, encrust, ensures, lectern, lecture, lupuses, lusters, nesters, nestles, netless, neuters, nucleus, pectens, pelters, penults, percent, percuss, peruses, pesters, pestles, petless, petrels, precent, precuts, prelect, present, presets, pulsers, punless, punster, punters, pursues, pustule, recluse, recuses, relents, renests, repents, repulse, rescues, resects, resents, respect, respelt, resteps, results, retunes, rustles, scenter, scepter, sceptre, screens, scruple, sculpts, secerns, secrets, secures, selects, serpent, specter, spectre, spleens, spruces, stupers, surplus, suspect, sutlers, sutures, tenures, tuneups, uncurls, uncurse, unerect, unreels, unreset, unrests, upturns