Word conversion rules from Wiktionary

The aim of the project is providing ruls for converting English words and basic informations about the words morphology. The project is based on the English Wiktionary thus the descriptions are pretty accurate and include most of the exceptions (e.g. ox -> oxen).

Installation:

$ gem install wiktionary

So far only nouns are supported.

require 'wiktionary/noun'

nouns = Wiktionary::Noun.new
nouns.singularize("dogs") #=> ["dog"]
nouns.singularize("oxen") #=> ["ox"]
nouns.singularize("feet") #=> ["foot"]

nouns.singular?("dog")  #=> true
nouns.singular?("dogs") #=> false


nouns.plural?("dog")  #=> false
nouns.plural?("dogs") #=> true

The singularize method returns an array since there might be more than one base form of a given plural word.

The data directory - contains lists and mappings of noun forms (plural, singular, countable, etc.). They are used to identify plural forms and transform plural to singular. Generated from Wiktionary dump using https://github.com/djstrong/nouns-with-plurals.

The following files are available:

• noun.csv - countable nouns
• noun_countable_and_uncountable.csv - e.g. http://en.wiktionary.org/wiki/beers
• noun_uncountable.csv - nouns that cannot be used freely with numbers or the indefinite article, and which therefore takes no plural form, e.g. http://en.wiktionary.org/wiki/lycra
• noun_usually_uncountable.csv - e.g. http://en.wiktionary.org/wiki/information
• noun_unknown.csv - nouns with unknown or uncertain plural
• noun_pluralia_tantum.csv - nouns that do not have singular forms, e.g. http://en.wiktionary.org/wiki/scissors
• noun_not_attested.csv - nouns with plural not attested

The following files contain two columns (singular and plural form):

• noun.csv
• noun_countable_and_uncountable.csv
• noun_usually_uncountable.csv

Krzysztof Wróbel (djstrong) Aleksander Smywiński-Pohl (apohllo)