irritability vs crossness

irritability and crossness both are nouns.

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

As nouns, irritability and crossness are synonyms defined as:

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

irritability (noun)	crossness (noun)
a disposition to exhibit uncontrolled anger	a disposition to be ill-tempered
excessive sensitivity of an organ or body part	an irritable petulant feeling
an irritable petulant feeling