| A | B |
| language group | is a collection of languages within a branch that share a common origin in the relatively recent past and display relatively few differences in grammar and vocabulary |
| language family | is a collection of languages related through a common ancestor that existed long before recorded history |
| language branch | is a collection of languages related through a common ancestor that existed several thousand years ago |
| language | is a system of communication through speech, a collection of sounds that a group of people understands to have the same meaning |
| isolated language | is a language unrelated to any other and therefor not attached to any language family |
| isogloss | a word usage boundary |
| ideograms | which represent ideas or concepts, not specific pronunciations |
| franglais | a combination of francias and englias, the french words for french and english |
| extinct language | once in use, even in the recent years, but no longer spoken or read in daily activities by anyone in the world |
| ebonics | a combination of ebony and phonics |
| dialect | is a regional variation of a language distinguished by distinctive vocabulary, spelling, and pronunciation |
| folk culture | is traditionally practiced primarily by small, homogenous groups living in isolated rural areas |
| polytheism | practices by neighboring people who worshipped a collection of gods |
| fundamentalism | which is a literal interpretation and a strict and intense adherence to basic principles of a religion |