D♭ Major 7th :: D♭ F A♭ C

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

A
E
C
G
B♭
5
♭3
♭7
B♭
♭3
♭7
5
B♭
♭3
5
♭7
♭3
B♭
5
♭7
⬤ ⬤
⬤ ⬤
B♭
C Minor 7th (♭5) :: C E♭ G♭ B♭

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