English speaker, but I have to imagine things like 'almond milk', 'corn dog', and 'po(or) boy' would be confusing. I'm sure there are better, these are just the first 3 to come to mind.
There is actually a movement in the US dairy industry to only allow milk extracted from mammals to be called milk. Calling it almond "milk" would be illegal.
Let's not pretend that's driven by anything except protectionism of an existing industry. They simply don't want almond milk anywhere near cow milk in the grocery store.