"swops" in the noun sense
1. barter, swap, swop, trade
an equal exchange
"we had no money so we had to live by barter"
"swops" in the verb sense
1. trade, swap, swop, switch
exchange or give (something) in exchange for
2. swap
move (a piece of a program) into memory, in computer science
Source: WordNet® (An amazing lexical database of English)
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