These are the songs sorted according to the word you are looking for (greatest)

Whitney Houston - I Will Always Love You

Sia - The Greatest

Whitney Houston - I Have Nothing

Whitney Houston - Greatest Love Of All

Whitney Houston - One Moment In Time

Whitney Houston - All The Man That I Need

A-ha - Take On Me Remastered In

Abba - Dancing Queen

Abba - Gimme Gimme Gimme A Man After Midnight

Abba - Money Money Money