| Part of speech | common noun |
|---|---|
| Plural | grapefruits |
| Catalan | aranjer |
|---|---|
| Danish | grapefrugt |
| English | grapefruit |
| Esperanto | grapfruktujo; grapfruktarbo |
| Finnish | greippi |
| French | pomélo |
| German | Grapefruit |
| Greek | κγρέιπφρουτ |
| Hungarian | grépfrút |
| Italian | pompelmo |
| Norwegian | grapefrukt |
| Polish | grejpfrut |
| Portuguese | toronja; toranja |
| Romanian | grepfruit |
| Russian | грейпфрут |
| Swahili | mbalungi |
| Swedish | grapefrukt |
| Thai | เกรปฟรูต |
| Welsh | grawnffrwyth |