The word allegorises 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: 15
Highest Scoring Words With Friends™ Play In The Letters allegorises
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Seven Letter Word Alert: (42 words)
aerogel, ageless, airless, alleger, alleges, allegro, areoles, earless, egoless, elogies, gaolers, gassier, glioses, glories, glosser, goalies, gorilla, greases, grilles, largess, lassoer, leasers, legless, ligases, lossier, oarless, rallies, realise, regloss, resails, resales, reseals, resells, resoils, resoles, sailers, sailors, seagoer, sealers, sellers, serials, soirees