The term SCIENCE SUFFIX can be broken down into two parts: the word science and the suffix. The suffixes OLOGY (5 letters) and ICS (3 letters) are both commonly used in science. OLOGY is a suffix that is used to refer to a branch of knowledge or study, such as biology or geology. ICS is a suffix that is used to refer to the study of a particular subject, such as physics or economics. Both of these suffixes are used to denote a field of study related to science.