irritability vs biliousness

irritability and biliousness both are nouns.

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

As nouns, irritability and biliousness are synonyms defined as:

irritability and biliousness: a disposition to exhibit uncontrolled anger

Other synonyms of irritability include peevishness, pettishness, snappishness, surliness, temper.

irritability (noun)	biliousness (noun)
a disposition to exhibit uncontrolled anger	a disposition to exhibit uncontrolled anger
excessive sensitivity of an organ or body part	gastric distress caused by a disorder of the liver or gall bladder
an irritable petulant feeling