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A Dominant 7th :: A C♯ E G

A
E
C
G
A
5
♭7
3
A
♭7
3
5
A
3
5
♭7
3
A
5
♭7
⬤ ⬤
A
5
♭7
⬤ ⬤
G
C Minor 9th :: C E♭ G B♭ D

A
E
C
G
C
5
♭7
9
C
5
♭3
♭7
9
C
♭3
♭7
5
9
C
♭3
5
9
♭7
♭3
⬤ ⬤
C
5
⬤ ⬤
G B♭
D♭ Diminished 7th :: D♭ E G B♭

A
E
C
G
♭3
♭5
𝄫7
D♭
♭5
𝄫7
D♭
♭3
𝄫7
D♭
♭3
♭5
D♭
♭3
♭5
𝄫7
⬤ ⬤
♭3
♭5
⬤ ⬤