surliness vs snappishness

surliness and snappishness both are nouns.

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

As nouns, surliness and snappishness are synonyms defined as:

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

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