Hi Stevies73.
Thank you for using the Apple Support Communities! To isolate the issue, is this only happening with a specific website or for all websites? Also, you mentioned checking Safari settings, let's also check by following the steps below that can help:
How to use Auto-Correction and predictive text on your iPhone, iPad, or iPod touch
To turn predictive text off or on:
1. Touch and hold the smile emoji
or the globe icon
.
2. Tap Keyboard Settings, then turn Predictive on or off.
Or go to Settings > General > Keyboard, and turn Predictive on or off.
Thank you.