biliousness vs bilious

biliousness is a noun but bilious is not a noun.

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

biliousness (noun)	bilious (noun)
a disposition to exhibit uncontrolled anger
gastric distress caused by a disorder of the liver or gall bladder

biliousness (adjective)	bilious (adjective)
	relating to or containing bile
	irritable as if suffering from indigestion
	suffering from or suggesting a liver disorder or gastric distress