mar vs ding

mar and ding both are nouns.

Word	Noun	Adjective	Verb	Adverb
mar	Yes	No	Yes	No
ding	Yes	No	Yes	No

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

mar: a mark or flaw that spoils the appearance of something (especially on a person's body)
ding: an impression in a surface (as made by a blow)

mar (noun)	ding (noun)
a mark or flaw that spoils the appearance of something (especially on a person's body)	an impression in a surface (as made by a blow)
	a ringing sound

mar (verb)	ding (verb)
destroy or injure severely	go `ding dong', like a bell
make imperfect