The crossword solution for the term SUFFIX IN SUGAR NAMES is OSE, which is a three-letter word. OSE is a common suffix used in many sugar names, such as fructose, sucrose, and maltose. Fructose, for example, is a type of sugar found naturally in fruits and vegetables, while sucrose is a type of sugar found in cane and beet sugar. Maltose is a type of sugar found in malted grains. All of these sugars have the suffix OSE at the end of their names.