The word chalcedonies 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: 23
Highest Scoring Words With Friends™ Play In The Letters chalcedonies
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Seven Letter Word Alert: (91 words)
accedes, achenes, acnodes, adonise, aediles, aniseed, anodise, cadence, calcine, caliche, calicos, cancels, candies, candles, celosia, chained, chalice, chanced, chancel, chances, choices, choleic, choline, cinched, cinches, clashed, cleaned, cleanse, cliched, cliches, cloches, coached, coaches, coalise, cocaine, cochlea, codeine, codices, coeliac, coldish, conceal, concede, conches, concise, conical, deacons, decalin, decanes, deciles, decline, dehisce, denials, denoise, descale, diocese, echelon, echidna, elodeas, eloined, encased, enclose, encodes, enolase, halides, handles, headons, helices, icecold, incased, indoles, inhaled, inhales, laconic, leached, leaches, leashed, licence, license, lichens, linseed, oceanic, oilcans, oilseed, scalene, science, sconced, sealion, shoaled, silence, snailed, solaced