It's clearly <Jing><Os>, and Jing sounds like something which is likely a Mandarin (or other Asian language) word. And Os is a widely accepted name suffix for operating system.

And it turns out it is (https://en.wikipedia.org/wiki/Jing_(Chinese_medicine)) and it's a widely used/known word, too.

Additionally Jingoism, isn't really that commonly used. Most non-native speaker which are not reading certain political news outlets likely have never heard about this word before (like me). It's definitely not part of the vocabulary thought in (non native) english school courses.

Lastly, where would we end up if we have negative sentiment, every time a wrongly pronounced word happened to sound similar to a word in another language which has negative sentiment attached with it. At that point we probably would need to remove a non small part of names and the english language because wrongly pronouncing it makes it sound like a bad word in some other language...