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Keyword stemming is an SEO tactic that involves returning to the root or stem of a word and building additional words by adding a prefix or suffix, or using pluralization. The word can expand in either direction and even add words, increasing the number of variable options.[1][2]

For example, from the stem word "search," the following words could be added and included by the search engine as another version of the root word:
  • searcher
  • searches
  • searched
  • searching
  • searchable

See Wikipedia for a more detailed account of stemming.

See also


  1. ^ American Marketing Association. AMA Dictionary.
  2. ^ SEMPO (Search Engine Marketing Professional Organization). SEM Glossary. <>

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