Gąsiorowski has an awesome etymology of "fuck," which everyone should go read over at Language Evolution. With the glorious tool of Google Ngram, we can see the taboo-ization of gros mots. We can see the moment a word becomes a cuss, a taboo word. Below are charts of the appearances of words in literature and their phantom disappearances. No, the word didn't exit the English language. People still used them. But taboo eradicated the words from print.