Root : G#
4th : C#
5th : D#
Dominant 7th : F#
9th : A#
G#9sus4
Contains a C# as the bass note.
Notated as G#/C#
G#9sus4/C#
Contains a D# as the bass note.
Notated as G#/D#
G#9sus4/D#
Contains an A# as the bass note.
Notated as G#/A#
G#9sus4/A#
A jazz sus chord or dominant 9sus4 chord is a seventh chord on the fifth scale degree of the key with a suspended fourth and an added ninth. Functionally, it can be written as V9sus4 or V7sus9.