Slide the word to the trashcan for the word to get removed from your keyboard. You will be able to see a trash can with “Remove suggestion” written above it. Long press on the word in the text suggestion bar. The word may get prompted even before you are done typing it. Once the keyboard opens you can type the word you want to delete. Launch the keyboard by tapping on the text field of any app. If you are using the Gboard then removing saved words and word suggestions from it is pretty simple. Gboard is one of the keyboards that most Andriod devices have by default.

Delete words from your Android device itself.

Method #2: Delete all learned words from Swiftkey.

Method #3: Delete all learned words from Gboard.

Method #2: Delete from Personal Dictionary.

To reject a correction, tap the “x.” If you reject the same suggestion a few times, iPhone stops suggesting it.

To accept a correction, enter a space or punctuation, or tap Return.

Note: When you turn off predictive text, iPhone may still try to suggest corrections for misspelled words. To disable this, you will need to go to Profile tab > Settings (top-right) > toggle off ‘Suggestion bar’. In some courses, you will see a suggestion bar above your keyboard. Toggle the option for prediction to off.Now toggle off Next-word suggestions (or Predictive text) to disable the feature.

This should take you to the keyboard's settings. Select Gboard(or your active keyboard) on the list.Scroll down to the bottom and select System, then tap on Languages & input.(Note: depending on your Android version or custom UI, you may find Languages & input in the main Settings page instead.).Would you like to disable predictive text while doing your Duolingo lessons? You can turn off autocorrect and predictive text in the keyboard settings for your device.

Samsung remove keyboard predictive text