rip off vs chisel

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

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

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

Other synonyms of rip off include cheat.

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

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