While all the species of flora and fauna need not have local names for all regions, I think I have heard the sword fish been called the "katar-matsya" in one of the TV channels.
Fish Fin
machli
This is not a Betta question so it belongs elsewhere.
fishs eddy
We call it Baja in hindi.
'Wife' in Hindi is called "पत्नी" (patni).
Bay leaves are called "तेज पत्ता" (Tej patta) in Hindi.
what do we call a pilot in hindi
hindi
"Activity" in Hindi can be called "क्रियाविधि" (kriyaavidhi) or "गतिविधि" (gatividhi).
Fins.
In Hindi, your sister's husband is called "जीजा" (jija).
In Hindi, a bank is called "बैंक" (pronounced as "bank").
in hindi- sookti/sooktiyan