-ize
* Agonize: To suffer greatly in body or mind.
* Analyze: To examine something methodically and in detail.
* Authorize: To give official permission for something.
* Civilize: To make a society more advanced or cultured.
* Colonize: To establish a colony in a new territory.
* Computerize: To use computers to do something.
* Crystallize: To become clear and definite.
* Democratize: To make a system or society more democratic.
* Emphasize: To give special importance or prominence to something.
* Energize: To make someone or something feel more active or enthusiastic.
* Finalize: To complete something.
* Formalize: To make something official.
* Harmonize: To make different things work well together.
* Humanize: To make something more humane or compassionate.
* Idealize: To consider something perfect or better than it really is.
* Industrialize: To develop industries in a country or region.
* Ionize: To turn an atom or molecule into an ion.
* Legalize: To make something legal.
* Maximize: To increase something as much as possible.
* Memorize: To learn something so well that you can remember it perfectly.
* Modernize: To make something more modern.
* Nationalize: To bring something under the control of the state.
* Normalize: To make something normal or typical.
* Optimize: To make something as good as possible.
* Organize: To arrange things in a systematic way.
* Paralyze: To make someone or something unable to move or function properly.
* Popularize: To make something popular.
* Prioritize: To put things in order of importance.
* Realize: To become aware of something.
* Regularize: To make something regular or systematic.
* Revolutionize: To completely change the way something is done.
* Sacrifice: To give up something valuable for something else.
* Summarize: To give a brief overview of something.
* Symbolize: To represent something.
* Synthesize: To combine different things to create something new.
* Terrorize: To fill someone with fear.
* Utilize: To use something for a particular purpose.
* Visualize: To form a mental picture of something.
-yze
* Analyze: To examine something methodically and in detail.
* Paralyze: To make someone or something unable to move or function properly.
This is not an exhaustive list, but it provides a good starting point. There are many other words that end in "-ize" or "-yze". You can use a dictionary to find more examples.