The word astronautical 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: 19
Highest Scoring Words With Friends™ Play In The Letters astronautical
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Seven Letter Word Alert: (92 words)
actants, actions, actuals, alicant, altoist, arctans, arousal, artisan, atonias, atonics, attains, auction, austral, autocar, canasta, cantata, cantors, canular, canulas, carinal, cartons, cations, cattail, caution, citator, citrons, clarion, coaltar, coastal, consult, cranial, cratons, crustal, cuatros, cultist, curials, curtail, curtain, incrust, insular, intorts, intrust, lariats, lunaria, lunatic, natural, nautica, nitrous, nostril, octants, oculars, oculist, oilcans, oscular, outcast, outlast, outrant, outsail, rainout, rations, rattail, rattons, ricotta, rituals, rosalic, saltcat, satanic, saurian, scrotal, starlit, station, stoical, straint, suction, sultana, tactual, tailors, tantric, tartans, titular, toucans, tourist, transit, tricots, truants, truncal, tsarina, uncarts, unclots, uncoils, unstoic, urinals