The word nectaries 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: 13
Highest Scoring Words With Friends™ Play In The Letters nectaries
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Seven Letter Word Alert: (43 words)
aeriest, antsier, arcsine, arenite, arsenic, canters, careens, carnies, centers, centres, cerates, certain, cistern, creates, cretins, cristae, earnest, eastern, enteric, enticer, entices, entries, nastier, nearest, nectars, raciest, recanes, recants, recites, reenact, restain, retains, retinas, scanter, scenter, seriate, sincere, stainer, sterane, trainee, trances, triaene, trienes