peevishness vs fussiness

peevishness and fussiness both are nouns.

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

As nouns, peevishness and fussiness are synonyms defined as:

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

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