choler vs dander

choler and dander both are nouns.

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

As nouns, dander is a hyponym of choler; that is, dander is a word with a more specific, narrower meaning than choler:

choler: a strong emotion; a feeling that is oriented toward some real or supposed grievance
dander: a feeling of anger and animosity

choler (noun)	dander (noun)
a humor that was once believed to be secreted by the liver and to cause irritability and anger	a feeling of anger and animosity
a strong emotion; a feeling that is oriented toward some real or supposed grievance	small scales from animal skins or hair or bird feathers that can cause allergic reactions in some people
an irritable petulant feeling