The predictive text feature can sometimes hinder users who are not accustomed to it, making text input challenging.
To turn off word prediction on Sony Xperia X, follow these steps:
Step 1: Go to 'Settings'.

Step 2: Select 'Language & input'.

Step 3: Choose 'Swiftkey Keyboard'.

Step 4: Click on 'Typing'.

Step 5: Opt for 'Typing & autocorrect'.

Step 6: Disable 'Autocorrect'.

Wishing you all the best.