Each of the listed words can also have stress applied, or not, in different ways and still be differentiated by the “tone” as it would be called in Chinese. I’m not calling it tone since we don’t really have a word for it other than “pronunciation” but it’s essentially the same thing as what is happening in Chinese with tones, albeit with a very limited set of cases rather than being a pervasive feature of the language.

But feel free to call the thing I’m talking about whatever you want. But calling it “stress” doesn’t make it the same thing as the kind of stress that you were talking about with your example sentences.