Tip: click the root notes to see fingering suggestions
A Diminished 7th :: A C E♭ G♭

A
E
C
G
A
♭3
𝄫7
A
♭3
♭5
A
♭3
♭5
𝄫7
♭3
♭5
𝄫7
A
♭5
𝄫7
⬤ ⬤
A
♭3
⬤ ⬤
C E♭ G♭
A♭ Dominant 9th :: A♭ C E♭ G♭ B♭

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