# tStem

Enables to standardize data in columns before matching this data.

tStem standardizes data in columns through the process of linguistic normalization, in which the variant forms of a word are reduced to a common form.

For more technologies supported by Talend, see [Talend components](https://help.qlik.com/talend/r/en-US/7.3/components/text-standardization).

### In this section

* [tStem Standard properties](https://help.qlik.com/talend/en-US/components/7.3/text-standardization/tstem-standard-properties)

**Related concepts**

[Extracting the stems of English words from a specific DB column](https://help.qlik.com/talend/en-US/components/7.3/text-standardization/tstem-tfilterrow-taggregaterow-tfileoutputexcel-extracting-stems-of-english-words-from-specific-db-column-standard-component-enterprise-this)

[Generating stems for a list of English words](https://help.qlik.com/talend/en-US/components/7.3/text-standardization/tstem-tmap-tfileinputdelimited-tlogrow-generating-stems-for-list-of-english-words-standard-component-enterprise-this)