The word ichthyologies 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 ichthyologies
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Seven Letter Word Alert: (41 words)
chilies, clothes, colitis, coltish, coolest, cooties, cotyles, coyotes, cytosol, ecology, eighths, elicits, elogist, ghostly, glitchy, glycose, gooiest, gothics, gothish, heights, highest, hitches, hogties, holiest, hostile, iolites, isohyet, ocelots, oiliest, oligist, oocytes, oolites, ooliths, oolitic, sightly, sleight, society, solicit, soothly, sootily, stoolie