The word oceanographer 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: 24
Highest Scoring Words With Friends™ Play In The Letters oceanographer
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Seven Letter Word Alert: (31 words)
acreage, apogean, archean, arrange, carnage, changer, charger, cheapen, cheaper, coherer, coroner, corpora, crooner, earache, groaner, harpoon, hencoop, honoree, honorer, oranger, oregano, paragon, percher, poacher, prancer, prerace, rancher, reacher, regraph, rehonor, reperch