Common Prefixes:
* pre-: meaning before, in front of, or beforehand.
* precede: to go before
* predict: to say what will happen in the future
* premature: happening too soon
* prepaid: paid in advance
* prehistoric: relating to the time before written history
* precaution: a measure taken beforehand to prevent something bad from happening
* prefix: a word part added to the beginning of a word
Less Common Prefixes:
* pre-: meaning "completely" (often used in scientific terms)
* preempt: to take precedence over something else
* precipitation: the process of water falling from the atmosphere to the Earth's surface
* preponderant: greater in number, amount, or importance
* premature: happening too soon
* premonition: a feeling that something is going to happen
Words with "pre" but not as a prefix:
* prepare: to make something ready
* present: a gift or something given
* pressure: force applied to something
This is just a small sampling. There are many more words with prefixes starting with "pre." Remember that prefixes can change the meaning of a word, so it's helpful to understand their definitions!