hook vs rip off

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

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

As verbs, rip off is a hypernym of hook; that is, rip off is a word with a broader meaning than hook:

Other hypernyms of hook include rip, steal.

As verbs, rip off is a hypernym of hook; that is, rip off is a word with a broader meaning than hook:

Other hypernyms of hook include rip, steal.

As verbs, rip off is a hypernym of hook; that is, rip off is a word with a broader meaning than hook:

Other hypernyms of hook include cheat, chisel.

hook (noun)	rip off (noun)
a short swinging punch delivered from the side with the elbow bent
a golf shot that curves to the left for a right-handed golfer
a basketball shot made over the head with the hand that is farther from the basket
a curved or bent implement for suspending or pulling something
a mechanical device that is curved or bent to suspend or hold or pull something
a catch for locking a door
anything that serves as an enticement
a sharp curve or crook; a shape resembling a hook

hook (verb)	rip off (verb)
approach with an offer of sexual favors	remove by pulling or ripping violently and forcefully
entice and trap	take without the owner's consent
secure with the foot	deprive somebody of something by deceit
to cause (someone or oneself) to become dependent (on something, especially a narcotic drug)
fasten with a hook
catch with a hook
hit with a hook
hit a ball and put a spin on it so that it travels to the left
make a piece of needlework by interlocking and looping thread with a hooked needle
make off with belongings of others
take by theft
rip off; ask an unreasonable price