Why prefixes matter: Prefixes are letter groups added to the start of words to change meaning, part of speech, or tense, making them a key tool for vocabulary growth. Link to comprehension: Morphology ...

Sign up for the daily CJR newsletter. English has many prefixes that make a word into a negative or opposite: Add “non-” to “profit,” for example, and you ...

A reader asked me about prefixes just when I was thinking about suffixes, so I researched both. Together, they’re called affixes. That word is from the Latin word for the “act of fastening one thing ...

Mrs. Mora teaches us how to use prefixes and suffixes to decode words related to farming. Farmers use a lot of challenging words as part of their work growing and harvesting our food. Mrs. Mora ...

English has two different prefixes that make a word into its opposite. OK, yes, there are more than two (dis-, a-, anti-, de-, etc.), but in- and un- are the most common. They bring the sense of "not" ...