The word symmetrical 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
Seven Letter Word Alert: (67 words)
acetyls, armlets, article, calmest, cartels, castile, claimer, clammer, clarets, clarity, clayier, clerisy, climate, cristae, crystal, eclairs, elastic, emacity, icetray, irately, laciest, laytime, mailers, maimers, malices, maltier, marlite, marmite, mastery, meatily, metical, metrics, miracle, miserly, mismate, misrely, mistral, mycelia, mycetal, myrtles, raciest, realism, realist, reality, recital, reclaim, remails, retails, saltier, scalier, scarily, scarlet, screamy, slammer, slatier, slimmer, smartie, smartly, stammer, streamy, stylier, tearily, tramels, trammel, treacly, trysail, yammers