Noun
the act of attaching or affixing something
formation of a word by means of an affix
the result of adding an affix to a root word
Source: WordNetTwo morphological characteristics of the Malayo-Polynesian languages are a system of affixation and the reduplication (repetition of all or part of a word, such as wiki-wiki ) to form new words. Source: Internet
Latin has a complex affixation and simple syntax, while Chinese has the opposite. Source: Internet