lol, the English language spoken in the US has to be the hardest for anybody to learn. To, too, two. and so on.
How about bolt, it can mean three different things based on its context. A fastener, lightning strike, or to run away.
Bark, dogs do it and trees have it.
Mine, as in it's mine, or a gold mine or even an explosive charge like a landmine.
A few others https://www.espressoenglish.net/15-english-vocabulary-words-with-multiple-meanings/