peevishness vs pettishness

peevishness and pettishness both are nouns.

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

As nouns, peevishness and pettishness are synonyms defined as:

peevishness and pettishness: a disposition to exhibit uncontrolled anger

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

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