en This user is a native speaker of English.
bn-4 এই ব্যবহারকারী বাংলা ভাষার দক্ষ প্রয়োগ করতে পারেন নিজের মাতৃভাষার মতন।
es-3 Este usuario puede contribuir con un nivel avanzado de español.
de-2 Dieser Benutzer hat fortgeschrittene Deutschkenntnisse.
zh-2 该用户能以中级中文进行交流。
ase-2 This user is able to contribute with an intermediate level of American Sign Language (ASL).
ar-1 هذا المستخدم يعرف مبادئ العربية.
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I'm Sameer ud Dowla Khan, professor of linguistics at Reed College. My main interests lie in linguistics, languages, transportation, and urban planning.

As a linguist, I am most interested in phonetics and phonological phenomena such as intonation, phonation, reduplication, etc., especially in South Asian languages such as Bengali, Gujarati, and Marathi, among others. I am also very interested in the orthographic systems of many languages.

I am also known as SameerKhan on English Wikipedia and সামীরুদ্দৌলা on Bengali Wikipedia.