dander vs exfoliation

dander and exfoliation both are nouns.

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

As nouns, exfoliation is a hypernym of dander; that is, exfoliation is a word with a broader meaning than dander:

dander: small scales from animal skins or hair or bird feathers that can cause allergic reactions in some people
exfoliation: a thin flake of dead epidermis shed from the surface of the skin

Other hypernyms of dander include scale, scurf.

dander (noun)	exfoliation (noun)
a feeling of anger and animosity	a thin flake of dead epidermis shed from the surface of the skin
small scales from animal skins or hair or bird feathers that can cause allergic reactions in some people	the peeling off in flakes or scales of bark or dead skin