| Woordsoort | selfstandige naamwoord |
|---|---|
| Afbreking | i·so·toop |
| Deens | isotop |
|---|---|
| Duits | Isotop |
| Engels | isotope |
| Esperanto | izotopo |
| Fins | isotooppi |
| Frans | isotope |
| Italiaans | isotopo |
| Katalaans | isòtop |
| Latyn | isotopus |
| Nederlands | isotoop |
| Noors | isotop |
| Portugees | isótopo |
| Russies | изотоп |
| Saterfries | Isotop |
| Spaans | isótopo |
| Swahili | isotopi |
| Sweeds | isotop |
| Thai | ไอโซโทป |
| Wallies | isotop |