If you can read between the lines you find an answer in the Tutorial section or even in this thread…
inaturalist-taxonomy.dwca\VernacularNames_Languages_count
https://drive.google.com/file/d/1Nbqi-qRmJQijoXTL_gsQBUATdHg3y8WE/view?usp=sharing (per year)
Data 1-1-2023, threshold 10.000. there are over 1015 lexicons.
| language | lexicon | COUNT |
|---|---|---|
| en | English | 262888 |
| zh-CN | Chinese (Simplified) | 100218 |
| cs | Czech | 79038 |
| ja | Japanese | 67281 |
| es | Spanish | 60175 |
| ru | Russian | 58002 |
| zh | Chinese (Traditional) | 55315 |
| fr | French | 45777 |
| de | German | 43379 |
| nl | Dutch | 36845 |
| fi | Finnish | 36241 |
| pt | Portuguese | 29258 |
| sv | Swedish | 28531 |
| nb | Norwegian | 26996 |
| da | Danish | 20267 |
| af | Afrikaans | 19030 |
| ko | Korean | 18465 |
| ar | Arabic | 14960 |
| th | Thai | 13253 |
| it | Italian | 12938 |
| pl | Polish | 12876 |
| lt | Lithuanian | 12350 |
| et | Estonian | 12132 |
Interesting idea and maybe also valid for ‘common names’. But it has the same issue as a taxon name: if the correct name is not available the observation will get an incorrect name or a taxon at a higher value.