Synonyms of 'desertion'
1 abandonmentDictionary, betrayal, forsaking
It was a long time since she'd referred to her father's desertion of them.
2 defectionDictionary, betrayal, reneging
mass desertion by the electorate
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If someone is accused of apostasy, they are accused of abandoning their religious faith, political loyalties, or principles.
a charge of apostasy
Thesaurus for desertion from the Collins English Thesaurus
the act of deserting or abandoning or the state of being deserted or abandoned