gouge vs dent

gouge and dent both are nouns.

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

As nouns, gouge and dent are synonyms defined as:

Other synonyms of gouge include ding, nick.

gouge (noun)	dent (noun)
the act of gouging	an impression in a surface (as made by a blow)
and edge tool with a blade like a trough for cutting channels or grooves	an appreciable consequence (especially a lessening)
an impression in a surface (as made by a blow)	a depression scratched or carved into a surface

gouge (verb)	dent (verb)
force with the thumb	make a depression into
make a groove in
obtain by coercion or intimidation