B Diminished :: B D F

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

F
C
G
D
♭7
A♭
5
A♭
5
9
♭3
♭7
9
♭3
♭7
A♭
A♭
5
9
♭3
5
9
♭3
♭7
⬤ ⬤
⬤ ⬤