Indo-European:
* English: Seven
* Spanish: Siete
* French: Sept
* German: Sieben
* Italian: Sette
* Portuguese: Sete
* Russian: Семь (Sem')
* Polish: Siedem
* Czech: Sedm
* Hindi: सात (Saat)
* Persian: هفت (Haft)
Other Languages:
* Chinese (Mandarin): 七 (qī)
* Japanese: 七 (nana)
* Korean: 일곱 (ilgop)
* Arabic: سبعة (sab'a)
* Hebrew: שבע (sheva)
* Vietnamese: Bảy
* Turkish: Yedi
* Swahili: Saba
* Thai: เจ็ด (chet)
* Indonesian: Tujuh
Note: This is just a small sample, and there are many other languages that you can explore!