The correct spelling of the "sware bible" is actually "swear bible", pronounced /swɛər ˈbaɪbəl/. The word "swear" in this context means to take an oath or make a solemn promise. The "bible" refers to the Christian holy book. This phrase is often used in legal or official contexts when a person needs to make a serious pledge. Remember to spell it correctly, or it could lead to confusion or misinterpretation of the intended message.