rob vs gouge

rob is not a noun while gouge is a noun.

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

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

Other hyponyms of rob include extort, rack, squeeze, wring.

rob (noun)	gouge (noun)
	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)

rob (verb)	gouge (verb)
take something away by force or without the consent of the owner	force with the thumb
rip off; ask an unreasonable price	make a groove in
	obtain by coercion or intimidation