The word nurselings 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 nurselings
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Seven Letter Word Alert: (25 words)
ensigns, ensuing, girnels, gunless, gunners, ingress, insures, lensing, lingers, nursing, resigns, reusing, rulings, runnels, sensing, signers, singers, singles, sinners, slinger, sunnier, sunnies, sunrise, unrisen, unsling