pick up vs pick

pick up is not a noun while pick is a noun.

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

pick up (noun)	pick (noun)
	the act of choosing or selecting
	a basketball maneuver; obstructing an opponent with one's body
	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 up (verb)	pick (verb)
gain or regain energy	remove in small bits
improve significantly; go from bad to good	remove unwanted substances from, such as feathers or pits
lift out or reflect from a background	select carefully from a group
get to know or become aware of, usually accidentally	harass with constant criticism
eat by pecking at, like a bird	eat intermittently; take small bites of
take into custody	hit lightly with a picking motion
take up by hand	look for and gather
fill with high spirits; fill with optimism	attack with or as if with a pickaxe of ice or rocky ground, for example
give a passenger or a hitchhiker a lift	pull lightly but sharply with a plucking motion
take and lift upward	provoke
perceive with the senses quickly, suddenly, or momentarily	pay for something
register (perceptual input)	pilfer or rob
buy casually or spontaneously
gather or collect
get in addition, as an increase
meet someone for sexual purposes