swap

nouns

an equal exchange
"we had no money so we had to live by barter"

verbs

exchange or give (something) in exchange for
move (a piece of a program) into memory, in computer science
is a type of (narrower)
change location; move, travel, or proceed, also metaphorically
"How fast does your new car go?"; "We travelled from Rome to Naples by bus"; "The policemen went from door to door looking for the suspect"; "The soldiers moved towards the city in an attempt to take it before night fell"; "news travelled fast"