Not necessarily, but smarter people usually are better at spelling, and spelling poorly makes the author seem unintelligent, no matter what the subject matter.
NO smartness is not a word but smart is
Yhu empruve your smartness buy stiddyng, duhuh.
No it is not
Smartly?
The lack of stupidness
Smartness
One would use testing to determine smartness as a basis for intelligence. Testing is not the only thing that determines smartness, only just that using testing is the main chartable way to determine intelligence.
Smartness.
Smartness
everyone and their smartness.........
with smartness
I Q measure for the smartness and cleaver of the person