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
⬤ ⬤
⬤ ⬤
F Diminished :: F A♭ C♭

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