rob vs pluck

rob is not a noun while pluck is a noun.

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

As verbs, rob and pluck are synonyms defined as:

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

rob (noun)	pluck (noun)
	the act of pulling and releasing a taut cord
	the trait of showing courage and determination in spite of possible loss or injury

rob (verb)	pluck (verb)
take something away by force or without the consent of the owner	pull or pull out sharply
rip off; ask an unreasonable price	look for and gather
	pull lightly but sharply with a plucking motion
	strip of feathers
	rip off; ask an unreasonable price
	sell something to or obtain something from by energetic and especially underhanded activity