The word biogeographies 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: 26
Highest Scoring Words With Friends™ Play In The Letters biogeographies
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Seven Letter Word Alert: (45 words)
airship, apogees, baggier, baggies, barhops, bearish, beerish, beggars, biggish, bigraph, biphase, boarish, boggier, boogers, boogies, boorish, borages, gaspier, goobers, goopier, goosier, gophers, harpies, heapers, herbage, herbose, heroise, hoagies, hoggers, iophobe, ogreish, phobias, piggier, piggies, piggish, presage, reheaps, repages, reshape, rosehip, saggier, seagoer, sharpie, soapier, soggier