Romance Languages:
* Spanish: gracias
* French: merci
* Italian: grazie
* Portuguese: obrigado (masculine), obrigada (feminine)
* Romanian: mulţumesc
Germanic Languages:
* German: danke
* Dutch: bedankt
* Swedish: tack
* Norwegian: takk
* Danish: tak
Slavic Languages:
* Russian: спасибо (spasibo)
* Polish: dziękuję (dziekuje)
* Czech: děkuji (dekuji)
* Ukrainian: дякую (dyakuyu)
* Serbian: hvala (pronounced "hvala")
Other Languages:
* Japanese: ありがとう (arigatō)
* Chinese (Mandarin): 谢谢 (xièxie)
* Korean: 고맙습니다 (gomapsumnida)
* Arabic: شكرا (shukran)
* Hindi: धन्यवाद (dhanyavaad)
* Greek: ευχαριστώ (efcharistó)
Note: Some languages have different forms of thank you depending on the gender of the person you are thanking. For example, in Portuguese, "obrigado" is used for men and "obrigada" is used for women.
Formal vs. Informal:
Many languages also have different ways of saying thank you depending on the level of formality. For example, in Spanish, "gracias" is more informal, while "muchas gracias" is more formal.
It's always a good idea to check the specific context and level of formality before using a particular translation.