| Subject | English | German |
| IT | backus-naur form | Backus-Naur-Form |
| comp., MS | Backus-Naur form | Backus-Naur-Form (A metalanguage used for defining the syntax of formal languages, both for the developer of the language and for the user. A language is defined by a set of statements, in each of which a language element known as a metavariable, written in angle brackets, is defined in terms of actual symbols (called terminals) and other metavariables (including itself if necessary)) |
| AI. | Backus-Naur-form grammar | Backus-Naur-Form-Grammatik |
| gen. | Backus normal form | kontextunabhängige Grammatik |
| IT | backus normal form | Backus-Naur-Form |
| gen. | Backus normal form | Kontextfreie Grammatik |