- Proto-Hindo-Ewropaki ra *ke- ("zewq")
- Proto-Aryaki ra *ka- ("zewq")
- Ewıstki: kā ("zewq")
- Pehlewki: kādag ("kay")
- Soğdki: k'tk ("kay")
- Kurmancki: Sor. kāya ("kay")
- Abyanehki: kāya ("kay")
- Qohrodki: kāda ("kay")
- (Zazaki: kāy) Alfabeyê Ariki
- Sanskritki: kā ("zewq")
- Latinki: cā-rus ("waşte")
- Gotki: ho-rs ("zinakar")
- İngılızki: whore ("qehpe") ...
- J. Cheung, Etymological Dictionary of the Iranian Verb. Leiden 2007.,
- Watkins, Calvert. The American Heritage Dictionary of Indo-European Roots, 2nd ed., Houghton Mifflin Co., 2007. *Amazon.com ra
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