Final answer:
Prefixes and suffixes are types of affixes that can change the meaning of a word by being added to the beginning or end of a root word.
Step-by-step explanation:
Prefixes and Suffixes
Prefixes and suffixes are both types of affixes, which are added to the beginning or end of a root word to modify its meaning. Both prefixes and suffixes can change the meaning of a word. For example, the prefix 'un-' added to the word 'happy' changes its meaning to 'unhappy'. Likewise, the suffix '-ment' added to the word 'develop' changes it to 'development'.
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