Peruse
A word that means to read very carefully is peruse.
duly
read carefully
Literate means to read and write while illiterate means the opposite.
I think perhaps you mean "peruse." Peruse means to read or examine something carefully.
Stare could be the word you are looking for.
The root word of "carefully" is "care," which means to be concerned or attentive.
Legere is the Latin word which means "to read"
scrutiny, inspection
read that sentence carefully and tell me if that is one word
As the word pre-use is an oxymoron, this could be a transposition of peruse (to look over).
It means, "to read."