ett par, några

couple(noun)

two; a few

Can I borrow a couple of chairs?; I knew a couple of people at the party, but not many.

par

couple(noun)

a man and wife, or a boyfriend and girlfriend

a married couple; The young couple have a child.

koppla [ihop]

couple(verb)

to join together

The coaches were coupled (together), and the train set off.