The word cosmographer 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: 25
Highest Scoring Words With Friends™ Play In The Letters cosmographer
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Seven Letter Word Alert: (62 words)
amorphs, archers, campers, camphor, cargoes, carhops, carpers, charger, charges, charmer, cheapos, chomper, chooser, chromes, coarser, compare, compose, corpora, corsage, crasher, eparchs, geomaps, gophers, grasper, grocers, groomer, gropers, hampers, harpers, hoarser, homages, marcher, marches, moocher, mooches, moorage, oosperm, parches, phraser, poacher, poaches, pooches, porches, poromas, prearms, program, prosoma, regraph, regrasp, regroom, reharms, roaches, roamers, rompers, roomers, scamper, scooper, scraper, scrooge, searoom, shampoo, sharper