We don't have synonyms for mamzer yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are mammer, mazer and momzer.
(n) :
(Judaism) A child born to Jewish parents whose relationship is incestuous or otherwise forbidden by Jewish law (e.g. an unmarried man and a married woman), or the descendant of such a person.
(n) :
(derogatory) A child who is born from an incestuous or adulterous relationship; a bastard.
(n) :
(slang, derogatory) A contemptible person; a jerk.
(n) :
(Judaism) A child born to Jewish parents whose relationship is incestuous or otherwise forbidden by Jewish law (e.g. an unmarried man and a married woman), or the descendant of such a person.
(n) :
(derogatory) A child who is born from an incestuous or adulterous relationship; a bastard.
(n) :
(slang, derogatory) A contemptible person; a jerk.