Prefixes are added to the beginning of a word to change its meaning (e.g., "un-", "pre-", "re-").
Suffixes are added to the end of a word to change its meaning or grammatical function (e.g., "-ing", "-ly", "-ness").
Prefixes are added to the beginning of a word to change its meaning (e.g., "un-", "pre-", "re-").
Suffixes are added to the end of a word to change its meaning or grammatical function (e.g., "-ing", "-ly", "-ness").