Indo-European Languages:
* Spanish: mar, océano
* Portuguese: mar, oceano
* French: mer, océan
* Italian: mare, oceano
* German: Meer, Ozean
* Russian: море (more), океан (okean)
* Greek: θάλασσα (thalassa), ωκεανός (okeanos)
* Latin: mare, oceanus
* Hindi: समुद्र (samudra)
* Urdu: سمندر (samandar)
Other Languages:
* Japanese: 海 (umi)
* Chinese: 海 (hǎi)
* Korean: 바다 (bada)
* Arabic: بحر (baḥr)
* Hebrew: ים (yam)
* Swahili: bahari
* Yoruba: okun
* Zulu: ulwandle
* Hawaiian: moana
* Maori: moana
This is just a small sample of the many languages that have words for "ocean". There are many more variations depending on the region and dialect.