CmdID / PowerShell / Cmdlets / Remove
Remove-ContentFilterPhrase
Use the Remove-ContentFilterPhrase cmdlet to remove one or all custom words that the Content Filter agent processes. Exchange PowerShell reference
From the Exchange PowerShell reference 5 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies a custom word or phrase to remove.-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-PhraseThe Phrase parameter specifies a custom word or phrase to remove.-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.