pickup vs pick-me-up

pickup and pick-me-up both are nouns.

Word	Noun	Adjective	Verb	Adverb
pickup	Yes	No	No	No
pick-me-up	Yes	No	No	No

As nouns, pickup and pick-me-up are synonyms defined as:

pickup (noun)	pick-me-up (noun)
the act or process of picking up or collecting from various places	a tonic or restorative (especially a drink of liquor)
the act of taking aboard passengers or freight	anything with restorative powers
a light truck with an open body and low sides and a tailboard
an electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable
mechanical device consisting of a light balanced arm that carries the cartridge
anything with restorative powers
the attribute of being capable of rapid acceleration
a warrant to take someone into custody
a casual acquaintance; often made in hope of sexual relationships