D Minor 7th (♭5) :: D F A♭ C

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

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