The word agronomical 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: 21
Highest Scoring Words With Friends™ Play In The Letters agronomical
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Seven Letter Word Alert: (24 words)
aircool, angioma, calming, carinal, clangor, clarion, coaling, coalman, cooling, coronal, cranial, granola, laminar, looming, magical, mailcar, marconi, mooring, moronic, narcoma, omicron, organic, roaming, rooming