F Major 7th (♭5) :: F A C♭ E

F
C
G
D
F
3
7
F
3
7
♭5
F
♭5
3
3
7
♭5
F
7
♭5
⬤ ⬤
F
⬤ ⬤
F Minor 6th :: F A♭ C D

F
C
G
D
F
5
6
♭3
6
♭3
F
F
5
♭3
5
6
♭3
6
F
5
⬤ ⬤
F
5
6
⬤ ⬤