The word quarterlies 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
Seven Letter Word Alert: (62 words)
aeriest, alerter, artsier, auletes, austere, earlier, elaters, eluates, equates, erasure, esquire, estrual, euaster, leisure, lustier, quarrel, quarter, querier, queries, querist, quieter, quilter, realers, realest, realise, realist, realter, rearise, relater, relates, reliers, request, require, requite, retails, retears, retiles, retires, retrial, retries, rituals, rustier, rustler, rutiles, saltier, saluter, sequela, seriate, serrate, slatier, squarer, stealer, sterile, surlier, surreal, tarries, tearers, tearier, tequila, trailer, uralite, ureters