Shomman.
"Dadu" in Bengali means paternal grandmother. The equivalent for paternal grandfather is "Dada".
The Bengali word for half is adhakan.
bengalais, bengalaise
Kothai is a bengali word which means 'where?'.
The Bengali word for address is "ঠিকানা" (pronounced as "thikana").
The Bengali word for congratulations is "অভিনন্দন" (abhinandan).
The Bengali word for friend is "বন্ধু" (pronounced as "bondhu").
The Bengali word for lavender is "ল্যাভেন্ডার" (pronounced as 'lavendar').
It means sister. It's usually addressed to older sisters as a sign of respect. Bengali people don't call elders by their names (it's considered disrespectful). The actual word is "Didi". "Di" is a short form.
The word in Bengali would be "paata"
In bengali you can say Abhijata.
Bhaiya or Bhai