The closest thing I can think of is atop.
The answer to the question above could be equivalent
above
Above
No. You can use 'On top of' as a synonym of 'Above'.
the synonym for the word above is learing
synonym: Lower Levelantonym: Above-ground Level
on top
Autonomous
up atop on top
surpass expectations
The antonym for overhead is under
above sea level (as a verb) sided (an object)