| interlingua | ina-000 |
| rar | |
| Romániço | art-013 | rara |
| dansk | dan-000 | sjælden |
| Deutsch | deu-000 | selten |
| ελληνικά | ell-000 | σπανιος |
| English | eng-000 | occasional |
| English | eng-000 | rare |
| English | eng-000 | scarce |
| English | eng-000 | sparse |
| English | eng-000 | thin |
| English | eng-000 | uncommon |
| Esperanto | epo-000 | malofta |
| français | fra-000 | rare |
| Ido | ido-000 | rara |
| interlingua | ina-000 | infrequente |
| interlingua | ina-000 | insolite |
| interlingua | ina-000 | occasional |
| interlingua | ina-000 | pauco abundante |
| interlingua | ina-000 | pauco commun |
| italiano | ita-000 | curioso |
| italiano | ita-000 | rado |
| italiano | ita-000 | raro |
| italiano | ita-000 | sporadico |
| Nederlands | nld-000 | zeldzaam |
| polski | pol-000 | rzadki |
| português | por-000 | raro |
| русский | rus-000 | редкий |
| español | spa-000 | raro |
| svenska | swe-000 | sällsynt |