Translation of fixation in Spanish

Arete means earring. Is it only in Mexico, regional? earring has multiple translations in Spanish, some are regionalism, others not. Arete, pendiente, caravana, and some others. But they are widely understood.
I wanted to ask whether you would like to help in another English - Spanish project. The dictionary has around 10,000 -20,000 entries and many of them do not have sample sentences. We need to add sentences to give users more background.
We are moving away tomorrow, first to Stockholm and then to Oslo. In the first week we will be in a hotel and at the beginning of the second week my studies will start. I will then look for an apartment.