Nachos commonly consist of a bed/pile of tortilla chips topped with cheese and veggies/beans/meat.
Nacho tots (aka Totchos) replace the tortilla chips with tater tots.
There's a place in Atlanta (technically Decatur) that serves "French nachos" wherein the base consists of waffle-cut fries.
Is it possible to make 'zachos (pizza base)?
What about chachos (potato chip base)?
I think a scientific study is needed to identify and rate the feasibility of potential new nacho bases.