​Many words in the English language are made up of word parts called prefixes, roots, and suffixes. These word parts have specific meanings that, when added together, can help you determine the meaning of the word as a whole.

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• ​PREFIXES - When a group of letters having a special meaning appears at the beginning of a word, we call that group of letters a prefix. Following is a list of the most frequently used prefixes that account for 97% of prefixed words in printed English.

• ​ROOTS - Word roots are the words from other languages that are the origin of many English words. About 60% of all English words have Latin or Greek origins. Roots give words their fixed meaning. Prefixes and suffixes can then be attached to the roots to form new words.

• ​SUFFIXES - A group of letters with a special meaning appearing at the end of a word is called a suffix. Here is a list of 6 important suffixes. Following is a list of the 6 most frequently used suffixes that account for 97% of prefixed words in printed English.

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