If you're encountering the misspelling "spilin", there are a few possible correct alternatives to consider. One suggestion might be "spilling", which refers to accidentally pouring or causing a liquid to flow out of its container. Another option is "spoiling", which means to ruin or diminish the quality of something. Lastly, "spelling" is a more obvious correction, referring to the act of forming words correctly. Choose the appropriate term based on the intended meaning.