The most common word for vomit in Shakespeare's time was "spew", which is still used today. Other words he used included:
* "cast": meaning "to vomit up"
* "disgorge": meaning "to vomit forth"
* "regorge": meaning "to vomit up again"
While Shakespeare didn't invent a new word for vomit, he did contribute to the English language through the use and adaptation of existing words.