| euskara | eus-000 |
| -i buruz | |
| English | eng-000 | about |
| English | eng-000 | apropos |
| English | eng-000 | concerning |
| English | eng-000 | into |
| English | eng-000 | on |
| English | eng-000 | regarding |
| euskara | eus-000 | -en gainean |
| euskara | eus-000 | -en gaineko |
| euskara | eus-000 | -i dagokionez |
| euskara | eus-000 | -z |
| euskara | eus-000 | -zko |