holocaust.
Here are 4 definitions for the word "(H)holocaust" a great or complete devastation or destruction, esp. by fire. a sacrifice completely consumed by fire; burnt offering. (usually initial capital letter ) the systematic mass slaughter of European Jews in Nazi concentration camps during World War II (usually prec. by the).any mass slaughter or reckless destruction of life (dictionary.com)
SLAUGHTER.. Take out the S and its LAUGHTER
slaughter
slaughter
It is not clear whether you are looking for the word - which is Holocaust, or whether this is a 'please-tell-me-all-about' question, or both.
Jews. Jews has four letters. and gold.
The word slaughter essentially means a mass killing, usually of animals for selling the meat on market. It can also mean a very brutal murder. Not exactly a fun word to learn.
The equivalent word is "synagogue service."
The first part of the Mass, the Liturgy of the Word, or what used to be called the Mass of the Catechumens started out based on the syngogue service of the Jews during the time of Jesus.
Nice
Yiddish