Phonetic Spelling Algorithms

Provides a collection of phonetic algorithms including Soundex, Metaphone, NYSIIS, Caverphone, and others.

This is the R package to support phonetic spelling algorithms in R. Several packages provide the Soundex algorithm. However, other algorithms have been developed since Soundex that can also provide phonetic spelling and test phonetic similarity.

  • Caverphone
    • Original Caverphone
    • Caverphone 2
  • Cologne (Kölner)
  • Lein
  • Match Rating Approach
    • Encoder
    • Comparison
  • Metaphone
  • New York State Identification and Intelligence System
    • NYSIIS
    • Modified NYSIIS
  • Roger Root
  • Soundex
    • Original Soundex
    • Apache Refined Soundex
  • Statistics Canada
    • Census Modified
  • testthat
  • roxygen2
  • Rcpp
  • BH


Reference manual

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0.7.5 by James P. Howard, II, 3 months ago,

Report a bug at

Browse source code at

Authors: James P. Howard, II [aut, cre], Oliver Keyes [ctb]

Documentation:   PDF Manual  

Task views: Natural Language Processing

BSD_2_clause + file LICENSE license

Imports Rcpp

Suggests testthat, knitr, rmarkdown, microbenchmark, readr, ggplot2

Linking to Rcpp, BH

See at CRAN