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"agitation" is also used as a crossword clue. If that's what you saw, the answer is often churning (8 letters).
Definitions
Restless movement, stirring, or public unrest.
Word origin
From French agitation, from Latin agitātiō (“movement, agitation”).
Used in a sentence
“During a storm the sea is in agitation.”
“She causes great agitation within me.”
“the antislavery agitation”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Restless stirring”9 letters
02“Unrest”9 letters
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