The word theologisers 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: 17
Highest Scoring Words With Friends™ Play In The Letters theologisers
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Seven Letter Word Alert: (84 words)
egoists, egoless, eighter, elegist, elegits, elogies, elogist, erotise, estriol, glioses, glister, glories, glosser, goiters, goitres, gooiest, goosier, goosies, goosish, goriest, gristle, heiress, heroise, hessite, heteros, hogties, holiest, holster, hosiers, hostels, hostile, hostler, isohels, lighter, loiters, loosest, looters, lossier, ogreish, oolites, ooliths, orioles, osselet, ostlers, regloss, regosol, relight, relists, reshoes, reshoot, resight, resoils, resoles, retiles, retools, roselet, rosiest, shelter, shooter, sighers, sighter, sleighs, sleight, slights, slither, soirees, soloist, soother, soothes, sootier, sorghos, sorties, stereos, sterile, sterols, stogies, stooges, stoolie, stories, tieless, tigress, toeless, toilers, toolers