nauseate vs churn up

nauseate and churn up both are verbs.

Word	Noun	Adjective	Verb	Adverb
nauseate	No	No	Yes	No
churn up	No	No	Yes	No

As verbs, nauseate and churn up are synonyms defined as:

Other synonyms of nauseate include disgust, revolt, sicken.

nauseate (verb)	churn up (verb)
cause aversion in; offend the moral sense of	cause aversion in; offend the moral sense of
upset and make nauseated