double dual duple
double%5:00:02:multiple:00 dual%5:00:00:multiple:00 duple%5:00:00:multiple:00
dvojen
consisting of or involving two parts or components usually in pairs
an egg with a double yolk a double (binary) star double doors dual controls for pilot and copilot duple (or double) time consists of two (or a multiple of two) beats to a measure