1. 500 a) a time when two languages became similarly important 2. cheerio b) the year in which a study was carried out
3. 1979 c) the number of new words entering the dictionary every four months
4. German d) a time when people were encouraged not to speak a language
5. the 19th century e) an example of something thought of as fashionable
6. 1993 f) an old way of saying ‘goodbye’ to someone