How were bad words made up?

All curse Words were started from just that. Pagan curses. You know like a witch put a curse on you? That was the belief in medieval times and the Words have stuck.

Some of the Words we call swear Words are really just misinterpret ted Words from other languages. The F Word is from German and means to err. The c Word (rhymes with hunt) comes from Celtic Irish and just means woman. other Words the meanings have just changed over time.

So as you can see invented is less accurate than to say they have evolved from speech.