D♭ Dominant 7th (♭5) :: D♭ F G B

F
C
G
D
3
♭5
D♭
♭5
3
♭7
3
♭5
♭7
D♭
♭5
D♭
♭7
3
♭7
D♭
⬤ ⬤
3
♭5
⬤ ⬤
D♭ B
B Dominant 11th :: B D♯ F♯ A C♯ E

F
C
G
D
5
9
3
♭7
11
3
♭7
11
B
5
B
5
9
♭7
9
3
♭7
11
B
3
11
B
5
9
⬤ ⬤
⬤ ⬤