The word waterscapes 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: 20
Highest Scoring Words With Friends™ Play In The Letters waterscapes
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Seven Letter Word Alert: (54 words)
acaters, acerate, actress, aerates, aspects, asperse, carpets, caseate, casters, cerates, creases, creates, cresset, escaper, escapes, escarps, parsecs, pasters, pesters, pewters, precast, presets, recasts, repaces, repaste, repasts, repeats, reseats, resects, respace, respect, resteps, reswept, retapes, sarapes, satraps, scepter, sceptre, scrapes, searats, seastar, seaters, secrets, serapes, spacers, sparest, specter, spectra, spectre, spewers, sweater, teasers, teaware, wasters