A major 9th chord is created by adding a 9th degree to any major 7th chord. For example, a Cmaj9 chord contains the notes C, E, G, B and D (1, 3, 5, 7 and 9). Here are some common open maj9 chord shapes.
Cmaj9

Ebmaj9

Emaj9

Fmaj9

Gmaj9

Dbmaj9

Dmaj9

F#maj9

Abmaj9

Amaj9

Bbmaj9

Bmaj9
