The word quaternaries 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: 23
Highest Scoring Words With Friends™ Play In The Letters quaternaries
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Seven Letter Word Alert: (89 words)
aerates, aeriest, antique, antsier, arenite, artisan, artsier, atresia, aunties, aurates, austere, earners, earnest, eastern, enquire, ensuite, ensurer, entries, equates, equines, erasure, errants, esquire, euaster, inerter, inquest, insurer, narrate, nastier, natures, nearest, neuters, nutsier, qintars, quarter, querent, querier, queries, querist, quieten, quieter, ranters, rearise, reinter, renters, request, require, requite, rerents, rerinse, restain, retains, retears, retinas, retires, retrain, retries, retunes, returns, reunite, runtier, rustier, saunter, saurian, sequent, seriate, serrate, sinuate, squarer, stainer, sterane, sterner, tarries, tearers, tearier, tenures, terrain, terrane, trainee, trainer, triaene, trienes, tsarina, turners, uniters, unreset, ureters, urinate, uterine