yellow bile vs choler

yellow bile and choler both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellow bile	Yes	No	No	No
choler	Yes	No	No	No

As nouns, yellow bile and choler are synonyms defined as:

yellow bile and choler: a humor that was once believed to be secreted by the liver and to cause irritability and anger

yellow bile (noun)	choler (noun)
a humor that was once believed to be secreted by the liver and to cause irritability and anger	a humor that was once believed to be secreted by the liver and to cause irritability and anger
	a strong emotion; a feeling that is oriented toward some real or supposed grievance
	an irritable petulant feeling