fussiness vs peevishness

fussiness and peevishness both are nouns.

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

As nouns, fussiness and peevishness are synonyms defined as:

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

fussiness (noun)	peevishness (noun)
unnecessary elaborateness in details	a disposition to exhibit uncontrolled anger
an irritable petulant feeling	an irritable petulant feeling