The word glucosamine 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: 22
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (90 words)
acumens, agnosic, agonies, agonise, agonism, amnesic, amusing, angelic, animose, caesium, calming, cauline, causing, ceasing, celosia, cinemas, cingula, closing, coaling, coalise, coalmen, cognise, coinage, columns, comings, congeal, consume, counsel, elogium, eloigns, elusion, emulsic, emulsin, encalms, enigmas, geminal, genials, genomic, glances, gliomas, glucans, glucose, gluonic, gmelina, goalies, guineas, icemans, igneous, imagoes, incomes, inulase, lacings, leasing, legions, legumin, leucism, leucoma, lingoes, lounges, lousing, macules, malices, maligns, mangles, mangoes, masonic, mauling, mensual, mingles, moulins, mousing, mucosae, mucosal, muscone, musical, oilcans, saucing, scaling, sealing, sealion, seaming, semilog, seminal, solanum, unagile, uncages, unclogs, unclose, uncoils, unlaces