choler vs fussiness

choler and fussiness both are nouns.

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

As nouns, choler and fussiness are synonyms defined as:

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

choler (noun)	fussiness (noun)
a humor that was once believed to be secreted by the liver and to cause irritability and anger	unnecessary elaborateness in details
a strong emotion; a feeling that is oriented toward some real or supposed grievance	an irritable petulant feeling
an irritable petulant feeling