Hello Rhondapolite.
Thank you for using Apple Support Communities. We want to make sure that we're on the same page and understanding your issue correctly. That way we can do our best to help out. Are you noticing issues with auto-correct or when you press on your iOS keyboard, the wrong inputs are getting picked up? If your issue is with auto-correct, we can suggest some helpful steps you can try that could help out. Follow the steps below:
1.) Go to Settings > General > Keyboard > Auto-Correction and turn off this feature
2.) Restart your iPhone
3.) Toggle Auto-Correction back on and test
If your issue continues, you can try to rest your Keyboard Dictionary by following these steps: Settings > General > Transfer or Rest iPhone > Rest > Reset Keyboard Dictionary. Additionally, if you pending updates available for your iPhone, it would be a good idea to install them: Update your iPhone, iPad, or iPod touch - Apple Support
We hope this information is helpful. Cheers.