What's the best way to create the combined fields in Elastic Search?

Elastic Stack Elasticsearch
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For example, I have fields street, city, state, continent, planet.

There is situation when I should search by combination of two fields street and city, and there is situation when I should search by combination of all fields: street, city, state, continent, planet.

The search should be fuzzy, support morphology and etc.

I can store only two fields short_address and full_address, but index become inadequate heavy in this case, so I assume there should be way to use the fact, that that fields are only the combination of same fields.

What I have tried:

  1. Runtime fields. A runtime field don't support the type text only keyword.
  2. Combined fields. A combined field don't support fuzziness.
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