General natural language (tokenizing, stemming (English, Russian, Spanish), part-of-speech tagging, sentiment analysis, classification, inflection, phonetics, tfidf, WordNet, jaro-winkler, Levenshtein distance, Dice's Coefficient) facilities for node.
wordpos is a set of part-of-speech utilities for Node.js & browser using the WordNet database.
English irregular gerunds list (-ing), based on WordNet
English a/an indefinite articles, based on WordNet