Sometimes S and N (small/normal) isn't enough help.
You can add or remove spaces to make the measures appear shorter or longer.
The player will play the chords as written even if they are overlapping but it's difficult for the musician to read.
You could add the extended chord quality using text, the musician can read it, but the player can't.
Chord Spacing Test - Exercise
PLAYER CHARTS vs. READER CHARTS
https://forums.irealpro.com/threads/BEGINNERS-start-here&p=25854.2157/#post-25854
Hope that's helpful,

)BOB