- Proto-Hindo-Ewropaki ra *ker- ("ser", "uppermost part of the body, horn, top")
- Proto-Aryaki ra
- Ewıstki: sarah- ("ser"), srvā- ("--horn--")
- Pehlewki: sar ("ser")
- Soğdki: sr ("ser")
- Farski: sar ("ser")
- Kurmancki: sar ("ser")
- Belaruski: sar ("ser")
- Osetki: sār ("ser")
- Goranki: sara ("ser") ...
- (Zazaki: sāra) Alfabeyê Ariki
- Sanskritki: siras- ("ser"), srnga ("horn")
- Ermenki: sar- ("ser")
- Yunanki: karē ("ser"), karnon ("horn")
- Latinki: cornu ("horn")
- İngılızki: horn ("horn")
- Çıme: Horn p.160, Watkins p.40, MacKenzie P.125, Etymonline
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