Triad + diminished 7th
Below chart shows a combination of triad with root on top and diminished 7th. A red key shows a root of each chord. Run with diatonic scale, 3 2 Tonic, 5 4 Tonic, or b7 b6 5 4 Tonic. Try all 12 keys.
4th voicing to Major chord
Slide down to Diatonic major chord. This can be used for V7, with accidental non-diatonic tone.
The motion for V of V.
4th voicing scale