The Swedish term "plugg, plomb, tapp, propp" matches the English term "plug"

other swedish words that include "plugg" : english :
examensplugg cramming
plugga grind (a hard reading)
plugga, plugghäst swot
other swedish words that include "plomb" : english :
plombera, fylla fill
plomb filling
other swedish words that include "propp" : english :
proppfull chockfull
tapp, propp spigot
propp stopper
proppellerturbin turbo-prop
stickpropp wallplug