====== Entity recognition ======

  - https://en.wikipedia.org/wiki/Soundex
  - http://www.searchforancestors.com/utility/soundex.html
  - https://learn.microsoft.com/en-us/sql/t-sql/functions/soundex-transact-sql?view=sql-server-ver16
  - https://www.npmjs.com/package/soundex-code
  - https://pypi.org/project/soundex/
  - https://sites.rootsweb.com/~nedodge/transfer/soundexlist.htm
  - https://rosettacode.org/wiki/Soundex
  - https://www.avotaynu.com/soundex.htm
  - https://www.immagic.com/eLibrary/ARCHIVES/GENERAL/LAS_US/L030206B.pdf
  - https://www.openbookproject.net/py4fun/soundex/soundex.html
  - https://cran.r-project.org/web/packages/phonics/vignettes/phonics.html
  - https://www.rdocumentation.org/packages/phonics/versions/1.3.10/topics/soundex
  - https://www.jstatsoft.org/article/download/v095i08/1385
  - https://lubartworld.cnrs.fr/en/daitch-mokotoff-soundex-for-r/
  - https://www.wikidata.org/wiki/Wikidata:WikiProject_Names/lists/given_names_by_soundex/R
  - https://sl.wikipedia.org/wiki/Enotna_mati%C4%8Dna_%C5%A1tevilka_ob%C4%8Dana