The term 'half-year' is often used to refer to a period of six months. It can also be referred to as a SEMESTER, which is an 8 letter word. A SEMESTER is a period of time in the academic year, typically lasting for six months, during which students attend classes and take exams. It is usually divided into two parts, with each part lasting for three months. During this time, students are expected to complete coursework and prepare for exams.