While there are words that sound similar, like "summarily" (meaning "in a brief or prompt manner"), they are not true homonyms.
"Summary" itself can be used in a variety of contexts, so there might be a more appropriate word depending on what you're trying to express.
For example, if you're talking about a brief overview of something, you could use:
* Abstract
* Synopsis
* Recap
* Outline
If you're looking for a word that means "to summarize", you could use:
* Summarize
* Condense
* Abridge
* Outline
Please provide more context, and I can help you find the most fitting word.