Open Wordman, tap Profile, then Delete account, and confirm. Your account, ratings, statistics, records and leaderboard rows are deleted at once, and your ID is removed from match histories.
Email support@vientoapps.com from the address of the Google or Apple account you linked, or include your display name. We delete the account within 30 days and confirm by email.
Single-player records that were never linked to an account live only on your device; uninstalling the app removes them.