General Meaning: "before" or "in advance"
* precede: to come before something else in time or order
* precaution: a measure taken in advance to prevent something dangerous or unpleasant from happening
* predict: to say that something will happen in the future
* premature: happening or done too soon
* premeditate: to plan or think about something beforehand
* premonition: a strong feeling that something is going to happen, especially something unpleasant
* prepaid: paid for in advance
* pre-existing: existing before something else
* preamble: an introductory part to a speech, book, or other text
* prehistoric: relating to the period before written history
Specific Meanings:
* pre-eminent: superior to all others; outstanding
* pre-existing: existing before something else
* pre-owned: previously owned by someone else
* pre-school: relating to or for children before they start school
* pre-flight: relating to the period before a flight
* pre-emptive: done to prevent something else from happening
* pre-natal: relating to the time before birth
Other words:
* prefix: a group of letters added to the beginning of a word to change its meaning
* preface: an introduction to a book or other piece of writing
* pre-approved: approved in advance
* pre-recorded: recorded before being played or broadcast
This is just a small sample of words starting with "pre-". There are many more, depending on the specific meaning you are looking for.