TermCymru

New Terms: 229 terms were added or amended on 19 June 2026. You can browse these by making an empty search, which will display all records in the termbase, and sorting the results by newest last updated date.

Planning Terms: On the Glossaries page, we've published a list of over 300 terms from the Planning (Wales) Act 2026 and the Infrastructure (Wales) Act 2024. The list can be viewed as a web page, and can be downloaded as a PDF or a CSV file.

Updated article: The 'Teitlau' article in the Arddulliadur was updated on 12 June 2026 to reflect the new titles of the Welsh Government's Cabinet Ministers. 

Searchable resources

  • A searchable database of terms used by Welsh Government translators in their everyday work.

  • Advice and guidance for those translating general texts. You can search specific words or browse by section.

Subject-specific lists

  • Lists of terms in specific fields, including planning terms, race and ethnicity terms, LGBTQ+ terms, and COVID-19 key terms.

  • Lists of the names of all electoral wards in Wales and the names of all monuments in Cadw's care, as well as information about the List of Standardised Welsh Place-names and the list of English counties by the Welsh Language Commissioner.

  • Lists of the names of states, UK Crown Dependencies and UK Overseas Territories.

Other resources

About

  • BydTermCymru is the portal for the Welsh Government Translation Service's resources.

  • Here you will find information about how to use the resources on BydTermCymru.