C Dominant 7th :: C E G B♭

B
F♯
D
A
C
5
♭7
3
C
♭7
3
5
C
3
5
♭7
3
C
5
♭7
⬤ ⬤
⬤ ⬤
G Diminished :: G B♭ D♭

B
F♯
D
A
G
♭3
♭5
♭3
♭5
G
♭5
G
♭3
G
♭3
♭5
⬤ ⬤
⬤ ⬤