blemish vs damage

blemish and damage both are nouns.

Word	Noun	Adjective	Verb	Adverb
blemish	Yes	No	Yes	No
damage	Yes	No	Yes	No

As verbs, damage is a hypernym of blemish; that is, damage is a word with a broader meaning than blemish:

blemish (noun)	damage (noun)
a mark or flaw that spoils the appearance of something (especially on a person's body)	the act of damaging something or someone
	any harm or injury resulting from a violation of a legal right
	the occurrence of a change for the worse
	loss of military equipment
	the amount of money needed to purchase something

blemish (verb)	damage (verb)
add a flaw or blemish to; make imperfect or defective	inflict damage upon
mar or impair with a flaw	suffer or be susceptible to damage
mar or spoil the appearance of