The word resettling 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: 14
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (53 words)
elegist, elegits, entitle, entries, gentile, gentler, gentles, girnels, glisten, glister, glitter, greisen, gristle, integer, leering, lenites, letters, letting, lingers, litters, netters, nettles, reeling, regents, relents, relines, resting, retiles, retilts, retints, retitle, ringlet, setting, settler, singlet, slinger, slitter, sterile, stilter, stinger, telnets, tensile, tenters, tentier, testier, testing, tilters, tingler, tingles, tinters, treeing, trestle, trienes