roiling vs churning

roiling and churning both are adjectives.

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

As adjectives, roiling and churning are synonyms defined as:

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

Other synonyms of roiling include roiled, roily, turbulent.

roiling (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