dui

/D IY1 Y UW1 AY1/
noun
  1. 1

    Two people who work or collaborate together as partners; especially, those who perform music together.

  2. 2

    Any pair of two people.

  3. 3

    Any cocktail consisting of a spirit and a liqueur.

  4. 4

    A song in two parts; a duet.

Source: https://en.wiktionary.org/wiki/dui, https://en.wiktionary.org/wiki/duo