My favourite example is "fact" vs "factitious". The word "factitious" actually means bogus, make, made up. Whereas "fact" means quite the opposite. However they

My favourite example is "fact" vs "factitious". The word "factitious" actually means bogus, make, made up. Whereas "fact" means quite the opposite. However they both come from the same latin word "facere" which means to do or to make. Have fun digging into that one!