It really depends on what the occasion is. Lots of songs for example (also poetry) use slant rhymes/ off rhymes, rhymes that are almost rhymes, not quite, but still suffice. If the situation doesn't demand exact rhymes, you're best bet for a good variety of rhyming words is pretty much anything ending in -ious (luscious, mysterious, etc). I think that's you're best bet. You could even try -ess (actress, clueless, etc).
Studiousness.
The glasses made her look very studious. The studious group met every day to review their notes. The scholar's studious habits helped him maintain his 4.0 gpa.
"Studious" is an adjective. It describes someone who is diligent, hardworking, and dedicated to learning or studying.
She was known for being a studious student, always seen with her nose buried in a book.
A studious person is someone who is dedicated to learning and academic pursuits. They are often diligent in their studies, focused on acquiring knowledge, and committed to their education.
most studious
Studiousness.
More studious
The kid was very studious and tried hard.
more studious, most studious
The glasses made her look very studious. The studious group met every day to review their notes. The scholar's studious habits helped him maintain his 4.0 gpa.
comaparative : more industrious superlative: most industrious
"Studying" is not a superlative, as it is not an adjective. "Most studious" is a superlative of "studious."
Finals week is a very studious time.
becaue she is a studous girl that's why
"Studios" is a plural noun. Nouns don't have a comparative or superlative degree. If you meant studious, that would be more studious and most studious.
Contrary to expectations, the atmosphere in the library did not assist the children to be more studious.