Afiksiidest
Afiksiidest is a term used in linguistics to describe a word that cannot stand alone and requires an affix to form a complete word. These affixes can be prefixes, which are added to the beginning of a word, or suffixes, which are added to the end. Afiksiidest are essentially bound morphemes, meaning they must be attached to a free morpheme, which is a word that can stand alone, to convey meaning.
Examples of afiksiidest are common in many languages. In English, the prefix 'un-' as in 'unhappy' or