irritability vs choler

irritability and choler both are nouns.

Word	Noun	Adjective	Verb	Adverb
irritability	Yes	No	No	No
choler	Yes	No	No	No

As nouns, irritability and choler are synonyms defined as:

Other synonyms of irritability include crossness, fretfulness, fussiness, peevishness, petulance.

irritability (noun)	choler (noun)
a disposition to exhibit uncontrolled anger	a humor that was once believed to be secreted by the liver and to cause irritability and anger
excessive sensitivity of an organ or body part	a strong emotion; a feeling that is oriented toward some real or supposed grievance
an irritable petulant feeling	an irritable petulant feeling