Summary: Spelling suggestions can be disabled by modifying a variable in the XSLT code.
Fix:
- On the Search > Search Features > Front Ends > Output Format page in Admin Console, export the default_frontend stylesheet by clicking the Export button and edit it using any editor; Or, click the Edit underlying XSLT code link to edit the code directly.
- Locate the variable - "show_spelling".
- Change the value from '1' to '0' and save the changes.
- Test the result in the Test Center.
Additional Information: Changing Variables in the XSLT Stylesheet