It's spelled dyke as well as dike in modern english. In any case, it's an example, not the main point. There are other words which trigger interesting misconce

It's spelled dyke as well as dike in modern english. In any case, it's an example, not the main point. There are other words which trigger interesting misconceptions due to how parts of them are commonly used culturally. Like 'homosapien', 'Uranus', 'retard' (move backwards, sometimes seen on buses and trucks), 'period', etc.