| A | B |
| BRP | dialect of English considered standard in the U.K. |
| Creole | language resulting from mixing of colonizer and indigenous language |
| Dialect | regional variety of a language |
| Ebonics | African American dialect |
| Extinct language | language once use daily, but no longer used |
| Franglais | English words that have entered the French language |
| Ideograms | writing used in China and East Asian countries where symbols repressent an idea rather than a sound |
| Isogloss | boundary that separates regions in which different languages predominate |
| Isolated language | a langauge not attached to any language family |
| Language | system of communication through the use of speech understood by a group of people |
| Language branch | languages reated through commom ancestor existing thousands of years ago |
| Language family | languages related through common ancestor before recorded history |
| Language group | languages within a branch that share a common origin |
| Lingua franca | language understood and used in trade |
| Pidgin language | speech that adopts simple grammar, used for communication |
| Spanglish | Spanish and English blend |
| Vulgar latin | Latin used in daily conversation by ancient Romans |