pluck vs pick off

pluck is a noun but pick off is not a noun.

Word	Noun	Adjective	Verb	Adverb
pluck	Yes	No	Yes	No
pick off	No	No	Yes	No

As verbs, pluck and pick off are synonyms defined as:

Other synonyms of pluck include pull off, tweak.

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

pluck (verb)	pick off (verb)
pull or pull out sharply	pull or pull out sharply
look for and gather	shoot one by one
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