gazump vs rob

gazump and rob both are verbs.

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

As verbs, gazump and rob are synonyms defined as:

Other synonyms of gazump include fleece, hook, overcharge, pluck, plume, soak, surcharge.

gazump (verb)	rob (verb)
rip off; ask an unreasonable price	take something away by force or without the consent of the owner
raise the price of something after agreeing on a lower price	rip off; ask an unreasonable price