swop

[swop] /swɒp/
verb (used with object), verb (used without object), swopped, swopping, noun
1.
swap.
British Dictionary definitions for swop

swap

/swɒp/
verb swaps, swapping, swapped, swops, swopping, swopped
1.
to trade or exchange (something or someone) for another
noun
2.
an exchange
3.
something that is exchanged
4.
(finance) Also called swap option, swaption. a contract in which the parties to it exchange liabilities on outstanding debts, often exchanging fixed interest-rate for floating-rate debts (debt swap), either as a means of managing debt or in trading (swap trading)
Derived Forms
swapper, swopper, noun
Word Origin
C14 (in the sense: to shake hands on a bargain, strike): probably of imitative origin

swop

/swɒp/
noun, verb swops, swopping, swopped
1.
a variant spelling of swap