Suffix
Used to form adjectives and nouns describing things and characteristics of a city, region, or country, such as the people and the language spoken by these people.
Viennese waltz (sausage, etc), Maltese falcon, Chinese, Togolese, Beninese, Congolese, Milanese, Parmese, Japanese, Faroese, Portuguese, Vietnamese
Used to form nouns meaning the jargon used by a particular profession or in a particular context.
journal + -ese → journalese
legal + -ese → legalese
translation + -ese → translationese