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"foamy" is also used as a crossword clue. If that's what you saw, the answer is often frothy (6 letters).
Definitions
producing or covered with lathery sweat or saliva from exhaustion or disease
Word origin
From Middle English fomy, from Old English fāmiġ, fǣmiġ (“frothy, foamy”), from Proto-West Germanic *faimag, *faimīg, equivalent to foam + -y.
Used in a sentence
“He jumped overboard into the foamy waters of the Atlantic Ocean.”
“Tlepolemus, the sun of Hercules, / Led nine swift vessels through the foamy seas”
“For busy thoughts the Stream flowed on / In foamy agitation”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Spumy”5 letters
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