What is the term for the deliberate and systematic extermination of a national, racial, political, or cultural group?

• The term for the deliberate and systematic extermination of a national, racial, political, or cultural group - Genocide.

• Genocide (noun)
English Meaning: the deliberate killing of people who belong to a particular racial, political, or cultural group.
Bangla Meaning: গণহত্যা।

অপশন আলোচনা:
• Fratricide (noun)
English Meaning: the crime of purposefully ending the life of your own brother or sister.
Bangla Meaning: ভ্রাতৃহন্তা; ভগ্নিহন্তা; ভ্রাতৃহত্যা বা ভগ্নিহত্যা।

• Regicide (noun)
English Meaning: the action of killing a king.
Bangla Meaning: রাজহত্যা।

→ অন্যদিকে, Xenocide is a science fiction novel by American writer Orson Scott Card.

Source:
1. merriam-webster.
2. Accessible Dictionary by Bangla Academy.