Romance Languages:
* Spanish: óxido
* French: rouille
* Italian: ruggine
* Portuguese: ferrugem
* Romanian: rugină
Germanic Languages:
* German: Rost
* Dutch: roest
* Swedish: rost
* Danish: rust
* Norwegian: rust
Slavic Languages:
* Russian: ржавчина (rzhavchina)
* Polish: rdza
* Czech: rez
* Ukrainian: іржа (irzha)
Other Languages:
* Chinese: 生锈 (shēngxiù)
* Japanese: さび (sabi)
* Korean: 녹 (nok)
* Arabic: صدأ (sada')
* Hindi: जंग (jang)
Note: The specific word used can vary depending on the dialect or region.