pick vs picker

pick and picker both are nouns.

Word	Noun	Adjective	Verb	Adverb
pick	Yes	No	Yes	No
picker	Yes	No	No	No

pick (noun)	picker (noun)
the act of choosing or selecting	someone who gathers crops or fruits etc.
a basketball maneuver; obstructing an opponent with one's body	a person who chooses or selects out
a heavy iron tool with a wooden handle and a curved head that is pointed on both ends
a thin sharp implement used for removing unwanted material
the yarn woven across the warp yarn in weaving
a small thin device (of metal or plastic or ivory) used to pluck a stringed instrument
the person or thing chosen or selected
the best people or things in a group
the quantity of a crop that is harvested

pick (verb)	picker (verb)
remove in small bits
remove unwanted substances from, such as feathers or pits
select carefully from a group
harass with constant criticism
eat intermittently; take small bites of
hit lightly with a picking motion
look for and gather
attack with or as if with a pickaxe of ice or rocky ground, for example
pull lightly but sharply with a plucking motion
provoke
pay for something
pilfer or rob