PUT stackoverflow
{
  "settings": {
    "analysis": {
      "filter": {
        "english_stop": {
          "type": "stop",
          "stopwords": "_english_"
        },
        "dutch_stop": {
          "type": "stop",
          "stopwords": "_dutch_"
        }
      },
      "analyzer": {
        "eng_stop": {
          "type": "stop",
          "stopwords": "_english_"
        },
        "dutch_stop": {
          "type": "stop",
          "stopwords": "_dutch_"
        },
        "all_lang_stop": {
          "tokenizer": "lowercase",
          "filter": [
            "english_stop",
            "dutch_stop"
          ]
        }
      }
    }
  },
  "mappings": {
    "record": {
      "properties": {
        "field": {
          "type": "keyword",
          "fields": {
            "english": {"type": "text", "analyzer": "eng_stop" },
            "dutch": {"type": "text", "analyzer": "dutch_stop" },
            "word_cloud": {"type": "text", "analyzer": "all_lang_stop"}
          }
        }
      }
    }
  }
}

"mappings": {
    "record": {
      "properties": {
        "english": {"type": "text", "analyzer": "eng_stop", copy_to: "word_cloud"},
        "dutch": {"type": "text", "analyzer": "dutch_stop", copy_to: "word_cloud"},
        "word_cloud": {"type": "text", "analyzer": "all_lang_stop"}
      }
    }
  }