A euphemism is a polite synonym or expression that people use when they want to avoid talking about—or indirectly replace—an unpleasant or embarrassing thing.
utter obscenities or profanities
grossly irreverent toward what is held to be sacred
blasphemous language (expressing disrespect for God or for something sacred)
substituting a mild term for a harsher or distasteful one
Differentiated vocabulary for your students is just a click away.