A Dominant 9th
::
A
C♯
E
G
B
⨉
B
F♯
D
A
9
A
♭7
3
5
9
⬤
A
⬤
3
⬤
5
9
♭7
⬤
⬤
3
A
5
⬤
♭7
⬤
9
⬤
A
5
♭7
3
⬤ ⬤
9
A
⬤ ⬤
A Half Diminished 7th
::
A
C
E♭
G
⨉
B
F♯
D
A
A
♭3
♭7
♭5
⬤
A
♭3
⬤
♭5
⬤
♭7
⬤
♭3
♭5
⬤
A
⬤
♭7
⬤
♭5
⬤
A
♭3
♭7
⬤ ⬤
A
⬤ ⬤