chisel vs rip off

chisel is a noun but rip off is not a noun.

Word	Noun	Adjective	Verb	Adverb
chisel	Yes	No	Yes	No
rip off	No	No	Yes	No

As verbs, chisel and rip off are synonyms defined as:

Other synonyms of chisel include cheat.

chisel (noun)	rip off (noun)
an edge tool with a flat steel blade with a cutting edge

chisel (verb)	rip off (verb)
carve with a chisel	remove by pulling or ripping violently and forcefully
engage in deceitful behavior; practice trickery or fraud	take without the owner's consent
deprive somebody of something by deceit	deprive somebody of something by deceit