| A | B |
| Appellation | Name or title that distinguishes or identifies. |
Diphthong,  | A speech sound that consists of 2 vowels or a vowel and a semivowel. |
| Eponym | A person for whom something is or is thought to be named. |
| Linguistics | The study of human speech |
| Neologism | A mnewly made up word, phrase or expression. |
| Parlance | A particular manner or kind of speech |
| Patois | A dialect other than the standard dialect of language. |
| Polyglot | Consisting of many groups speaking different languages. |
| Solecism | The ungrammatical usage of a word or construction of a sentence. |
| Vulgar | Spoken by of using the language spoken by the people. Vernacular |