The word nursemaids 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: 16
Highest Scoring Words With Friends™ Play In The Letters nursemaids
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Seven Letter Word Alert: (48 words)
admires, arenium, assumed, assumer, assured, asunder, damners, desmans, dimness, disarms, durians, inseams, insured, insures, madness, maidens, manured, manures, marines, masseur, medians, medusas, minders, minuses, misread, misused, misuser, radiums, remains, remands, reminds, resands, sanders, sandier, sardine, seminar, sidearm, sideman, sirname, sudsier, sundaes, sunrise, surmise, surname, unaimed, unaired, unarmed, undress