elasticsearch/docs/reference/text-analysis/analysis-snowball-tokenfilter.md

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navigation_title: "Snowball" mapped_pages:

• https://www.elastic.co/guide/en/elasticsearch/reference/current/analysis-snowball-tokenfilter.html applies_to: stack: all ---

Snowball token filter [analysis-snowball-tokenfilter]

A filter that stems words using a Snowball-generated stemmer. The language parameter controls the stemmer with the following available values: Arabic, Armenian, Basque, Catalan, Danish, Dutch, English, Estonian, Finnish, French, German, German2, Hungarian, Italian, Irish, Kp, Lithuanian, Lovins, Norwegian, Porter, Portuguese, Romanian, Russian, Serbian, Spanish, Swedish, Turkish.

:::{note} The Kp and Lovins values are deprecated in 8.16.0 and will be removed in a future version. :::

For example:

PUT /my-index-000001
{
  "settings": {
    "analysis": {
      "analyzer": {
        "my_analyzer": {
          "tokenizer": "standard",
          "filter": [ "lowercase", "my_snow" ]
        }
      },
      "filter": {
        "my_snow": {
          "type": "snowball",
          "language": "English"
        }
      }
    }
  }
}