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Part 3 Word Study
1.5 Prefixes and Suffixes
A. Prefixes
A prefix is a group of letters placed before the root of a word.
For example, the word "unhappy" consists of the prefix "un-" [which
means "not"] combined with the root (stem) word "happy"; the word
"unhappy" means "not happy." A basic word to which affixes (prefixes
and suffixes) are added is called a root word because it forms the basis of
a new word. The root word is also a word in its own right. For example,
the word happy consists of the word happy and the suffix -ly.
Some of the most common prefixes are listed below.