Many countries have two registers for land - the cadaster which essentially records the survey/mapping record and land register which records the owner and any mortgages or other legal charges.
It would be confusing and in y view unacceptable to change this to land register/registry simply because people in En-spkg countries won't understand

What is cadastral registration?
Cadastral maps are essentially descriptions of the parcels of land (survey plots or holdings) with reference to which rights in land are defined and the holders of these rights identified.

Registers of rights - Cadastral surveys and records of rights in land

What is the difference between Land Registry and cadastre?
The Land Registries are the offices where information relating to real estate is registered and becomes public. The Cadastre is a public S.A. with a main role to conduct tha land surveys, provide cadastral data as well as legal information relating to real estate.

Relationship between LR and Cadastral - ELRA

Despite the insistence on using the Roman civil law term of 'cadastral', the 'cadastral property systems' are largely unknown in English Common Law countries, apart perhaps from the French-influenced US Fed. State of Louisiana.

A UK and Irish index map search - for the umpteenth time - is based on the Ordnance Survey map.

PS it's not the same as the Land Registry, except in Italy where the 'Cadastral' and Land Registry have been amalgamated and fused,