| A | B |
| Glossary | words with their definitions, at the back of book |
| Encyclopedia | book containing info on a wide range of subjects |
| Thesaurus | a book of synonyms and antonyms |
| Affix | a word part, such as a prefix or suffix added to a root word |
| Compound word | word composed of two or more words |
| Prefix | added to the begining of a word |
| Root word | original word before adding prefeixes and suffixes |
| Suffix | affix added to end of word |
| Almanac | extra info at the back of a book to help you find info |
| Appendix | extra info at the back of a book to help you find info |
| Dictionary | book of alphabetical words usually including meaning, and how to say it |
| Antonym | word having a meaning opposite to that of another word |
| Homograph | wo words that have the same spelling but differ in origin, meaning, and how they are said |
| Homonym | two words that have the same sound and often the same spelling but differ in meaning, |
| Synonym | words that mean the same thing |