D♭ Major 7th :: D♭ F A♭ C

G
D
A
E
5
3
3
7
D♭
5
7
D♭
5
3
7
D♭
3
7
D♭
5
⬤ ⬤
⬤ ⬤
G Diminished :: G B♭ D♭

G
D
A
E
G
♭3
♭3
G
♭5
G
♭5
♭3
♭3
♭5
G
♭5
⬤ ⬤
G
⬤ ⬤