The word penalisation 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: 18
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (73 words)
aeolian, alanine, alpines, anapest, aniline, anneals, anoints, antlion, aplites, apostle, asinine, atonias, elastin, elation, elision, entails, epsilon, inlines, inosine, inosite, intones, iolites, isolate, leantos, leptons, liaison, linnets, lionets, lionise, nailset, nations, nepotal, nonlate, nonleap, nonsale, nonslip, oiliest, opaline, opiates, palates, panties, patinae, patinas, patines, peasant, pension, pentail, pianist, pilates, pinions, pinitol, pinnate, pintail, planeta, planets, pleions, pontine, salient, saltpan, saponin, sealant, sealion, spaniel, spatial, spinnet, tailpin, tenpins, tension, tiepins, tilapia, toenail, topline, topsail