B Diminished :: B D F

G
D
A
E
♭3
♭5
B
♭5
B
♭3
♭3
B
♭5
B
♭5
♭3
⬤ ⬤
♭3
⬤ ⬤
D♭ Minor 9th :: D♭ F♭ A♭ C♭ E♭

G
D
A
E
♭3
5
9
♭3
♭7
♭7
D♭
5
D♭
5
9
♭3
♭7
9
♭3
♭7
D♭
D♭
5
9
⬤ ⬤
♭3
⬤ ⬤