A prefix is a word part added to the beginning of a word to change its meaning (e.g., "un-" in "unhappy"), while a suffix is added to the end of a word (e.g., "-tion" in "attention"), altering the word's meaning, and creating new ones.
A prefix is a word part added to the beginning of a word to change its meaning (e.g., "un-" in "unhappy"), while a suffix is added to the end of a word (e.g., "-tion" in "attention"), altering the word's meaning, and creating new ones.