B Dominant 7th (♭5) :: B D♯ F A

F
C
G
D
♭5
3
♭7
3
♭5
♭7
B
♭5
B
♭7
3
♭7
B
3
♭5
B
⬤ ⬤
♭5
⬤ ⬤
E Major 7th :: E G♯ B D♯

F
C
G
D
3
7
E
3
7
E
5
5
3
3
7
E
5
7
E
5
⬤ ⬤
⬤ ⬤