roily vs churning

roily and churning both are adjectives.

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

As adjectives, roily and churning are synonyms defined as:

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

Other synonyms of roily include roiled, roiling, turbulent.

roily (adjective)	churning (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