The term BUTYL SUFFIX refers to a group of suffixes that are commonly used to form the names of organic compounds. The suffix ENES (4 letters) is used to form alkanes, which are hydrocarbons with single bonds between carbon atoms. The suffix ESTER (5 letters) is used to form esters, which are organic compounds formed from the reaction of an acid and an alcohol. The suffix OSE (3 letters) is used to form carbohydrates, which are molecules composed of carbon, hydrogen, and oxygen. The suffix ETTE (4 letters) is used to form small molecules, such as ketones and aldehydes. The suffix IST (3 letters) is used to form substances related to a particular field or activity, such as a chemist or biologist. Finally, the suffix ITE (3 letters) is used to form minerals, such as quartzite or graphite.