G Diminished :: G B♭ D♭

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

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