A♭ Major 7th :: A♭ C E♭ G

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

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