biliousness vs irritability

biliousness and irritability both are nouns.

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

As nouns, biliousness and irritability are synonyms defined as:

biliousness and irritability: a disposition to exhibit uncontrolled anger

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

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