Intentional destruction of racial groups is called -

• অপশনে উল্লিখিত শব্দগুলোর অর্থ -

ক) Homicide
English Meaning: The crime of killing a person; murder:/A killing of one human being by another
Bangla Meaning: নরহত্যা। 

খ) Regicide
English Meaning: A person who kills a king, or the act of killing a king.
Bangla Meaning: রাজহত্যা।

গ) Fratricide
English Meaning: The crime of murdering your brother, or killing members of your own group or country
Bangla Meaning: ভ্রাতৃহন্তা; ভগ্নিহন্তা; ভ্রাতৃহত্যা বা ভগ্নিহত্যা।

ঘ) Genocide
English Meaning: The crime of intentionally destroying part or all of a national, ethnic, racial, or religious group, by killing people or by other methods.
Bangla Meaning: গণহত্যা।

• সুতরাং, বোঝা যাচ্ছে যে, Intentional destruction of racial groups is called - Genocide.

Source: Accessible Dictionary by Bangla academy and Cambridge Dictionary.