Here are some sentences.
Antisemitism is a dangerous belief.
His antisemitism made him a bigot.
The question is an example of a sentence with the word antisemitism. So is the first sentence of this answer. Here is another useful example sentence: Antisemitism is a real problem in the American alt right.
The holocaust was like a kick-starter for antisemitism, It didn't invent antisemitism.
The usual disintinction is between (traditional) religious antisemitism and racial antisemitism. The latter arose after religious toleration was accepted in most European countries and religious antisemitism lost much of its force. Racial antisemitism arose from about 1870 onwards and operates with conspiracy theories.
who wrote this Racism, AntiSemitism, and Psychoanalysis
The Legacy of Islamic Antisemitism was created in 2008.
Antisemitism was around for thousands of years before the Holocaust started.
Swedish Committee Against Antisemitism was created in 1983.
Hatred of Jews is called Antisemitism. Antisemitism is still around.
The antisemitism during the Holocaust was just an exaggerated form of pre-Holocaust antisemitism.
It was, above all, misguided religious zeal during the Crusades that encouraged antisemitism.