pettishness vs peevishness

pettishness and peevishness both are nouns.

Word	Noun	Adjective	Verb	Adverb
pettishness	Yes	No	No	No
peevishness	Yes	No	No	No

As nouns, pettishness and peevishness are synonyms defined as:

pettishness and peevishness: a disposition to exhibit uncontrolled anger

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

pettishness (noun)	peevishness (noun)
a disposition to exhibit uncontrolled anger	a disposition to exhibit uncontrolled anger
	an irritable petulant feeling