This is the 18964th most frequent Korean word.
쓰나
"쓰나" is not a standard Korean word. It may be a typo, slang, or a name. Context is needed for clarification.
쓰나 is used as a conjunctive ending to contrast two clauses.
책을 쓰나 시간은 부족하다.
Though I write a book, time is insufficient.
쓰나 contrasts effort versus results, showing juxtaposition.
그는 열심히 쓰나 결과는 보장되지 않았다.
He writes diligently, but the results were not guaranteed.
쓰나 expresses an action occurring without an expected response.