Pronunciation is often a case of knowing, being a native speaker doesn’t help.
Way: Belvoir Street (3076563) | OpenStreetMap Beaver
Node: The Ercall (356741658) | OpenStreetMap Arcle
There are lots more where standard rules of English don’t apply in England.
Cholmondeley is pronounced Chumley.
Both have been used at my places of work as conference room names and gave us many laughs at non-locals asking for the belle voir room.
Must confess I hate voice navigation, and always turn it off and use screen directions.