* Prefix (a word part placed before a root word)
* Precede (to go before)
* Preconception (a preconceived idea or opinion)
* Predate (to exist or happen before something else)
* Preface (an introduction to a book or speech)
* Premature (happening or done too soon)
* Pregnant (carrying an unborn child)
* Prejudice (preconceived opinion that is not based on reason or actual experience)
* Premonition (a feeling that something is going to happen)
* Prehistoric (relating to a period before recorded history)
* Prepaid (paid in advance)
* Pre-existing (existing beforehand)
* Pre-flight (before a flight)
* Pre-order (to order something in advance)
* Pre-school (a school for children aged 4-5)
This is not an exhaustive list, but it gives you a good idea of the types of words that use the suffix "pre".