snappishness vs pettishness

snappishness and pettishness both are nouns.

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

As nouns, snappishness and pettishness are synonyms defined as:

snappishness and pettishness: a disposition to exhibit uncontrolled anger

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

snappishness (noun)	pettishness (noun)
a disposition to exhibit uncontrolled anger	a disposition to exhibit uncontrolled anger