mar vs gouge

mar and gouge both are nouns.

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

As nouns, gouge is a hyponym of mar; that is, gouge 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)
gouge: an impression in a surface (as made by a blow)

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

Other hyponyms of mar include force out.

mar (noun)	gouge (noun)
a mark or flaw that spoils the appearance of something (especially on a person's body)	the act of gouging
	and edge tool with a blade like a trough for cutting channels or grooves
	an impression in a surface (as made by a blow)

mar (verb)	gouge (verb)
destroy or injure severely	force with the thumb
make imperfect	make a groove in
	obtain by coercion or intimidation