lift vs pick up

lift is a noun but pick up is not a noun.

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

As verbs, pick up is a hyponym of lift; that is, pick up is a word with a more specific, narrower meaning than lift:

lift (noun)	pick up (noun)
the act of raising something
plastic surgery to remove wrinkles and other signs of aging from your face; an incision is made near the hair line and skin is pulled back and excess tissue is excised
the act of giving temporary assistance
a ride in a car
transportation of people or goods by air (especially when other means of access are unavailable)
lifting device consisting of a platform or cage that is raised and lowered mechanically in a vertical shaft in order to move people from one floor to another in a building
a powered conveyance that carries skiers up a hill
one of the layers forming the heel of a shoe or boot
a device worn in a shoe or boot to make the wearer look taller or to correct a shortened leg
the event of something being raised upward
a wave that lifts the surface of the water or ground
the component of the aerodynamic forces acting on an airfoil that opposes gravity

lift (verb)	pick up (verb)
perform cosmetic surgery on someone's face	gain or regain energy
remove from a surface	improve significantly; go from bad to good
put an end to	lift out or reflect from a background
remove (hair) by scalping	get to know or become aware of, usually accidentally
rise upward, as from pressure or moisture	eat by pecking at, like a bird
invigorate or heighten	take into custody
raise in rank or condition	take up by hand
remove from a seedbed or from a nursery	fill with high spirits; fill with optimism
take off or away by decreasing	give a passenger or a hitchhiker a lift
cancel officially	take and lift upward
call to stop the hunt or to retire, as of hunting dogs	perceive with the senses quickly, suddenly, or momentarily
make audible	register (perceptual input)
take hold of something and move it to a different location	buy casually or spontaneously
raise or haul up with or as if with mechanical help	gather or collect
take (root crops) out of the ground	get in addition, as an increase
fly people or goods to or from places not accessible by other means	meet someone for sexual purposes
raise from a lower to a higher position
move upwards
move upward
make off with belongings of others
take without referencing from someone else's writing or speech; of intellectual property
pay off (a mortgage)
take illegally
rise up