1. Academic language: language spoken in accademic settings.
2. Social language: language spoken with peers in social settings.
3. Suffix: letter or letters added to the end of a word that changes the part of speech and meaning of the root word.
4. Root word: initial word before adding a suffix and/or prefix.
5. Prefix: letter or letters added to the beginning of a word that changes the meaning of the word.
6. Affix: letter or letters added to the beginning or end of a word, root, or stem, or the meaning of a word, to modify its meaning.