examine, scrutinize, meticulous
search, research
pore, scan
eye
read that sentence carefully and tell me if that is one word
most carefully
No, carefully is an adverb.
more carefully, most carefully
Carefully look up the word "vague". The definition should help you in your quest.
to look carefully in mind is it is when you search for something. but to be clear it is to search!
she carefully carried the glass jar
read carefully
You have to look carefully to the chemical formula.