churning vs roiled

churning and roiled both are adjectives.

Word	Noun	Adjective	Verb	Adverb
churning	No	Yes	No	No
roiled	No	Yes	No	No

As adjectives, churning and roiled are synonyms defined as:

churning and roiled: (of a liquid) agitated vigorously; in a state of turbulence

Other synonyms of churning include roiling, roily, turbulent.

churning (adjective)	roiled (adjective)
(of a liquid) agitated vigorously; in a state of turbulence	(of a liquid) agitated vigorously; in a state of turbulence
moving with or producing or produced by vigorous agitation	aroused to impatience or anger