nltk-data-hub/words

NLTK Word Lists

English word lists from NLTK, the New General Service List Project, and Bing Liu's Opinion Lexicon.

Configs

Config	Words	Schema	License	Source
en	235,886	word	NLTK (other)	NLTK words corpus
en-basic	850	word	Public domain	Ogden Basic English (1930)
ngsl	2,809	word, rank, sfi, freq_per_million	CC-BY-SA 4.0	New General Service List 1.2
toeic	1,250	word, rank, sfi, freq_per_million	CC-BY-SA 4.0	TOEIC Service List 1.2
nawl	963	word, rank, band, sfi, freq_per_million	CC-BY-SA 4.0	New Academic Word List 1.2
bsl	1,744	word, rank, band, sfi, freq_per_million	CC-BY-SA 4.0	Business Service List 1.2
opinion-positive	2,006	word	CC-BY 4.0	Hu & Liu Opinion Lexicon
opinion-negative	4,783	word	CC-BY 4.0	Hu & Liu Opinion Lexicon

See Also

These related word list datasets are also accessible via nltk.corpus.words.words():

Dataset	Contents	NLTK access
nltk-data-hub/dolch	315 Dolch sight words, 8 POS configs	words.words("dolch"), words.words("dolch-verbs"), …
nltk-data-hub/swadesh	207 Swadesh concepts × 24 languages	words.words("swadesh-en"), words.words("swadesh-de"), …

Schemas

en, en-basic, opinion-positive, opinion-negative — word only

Column	Type	Description
word	string	The word

ngsl and toeic — frequency metadata, no band

Column	Type	Description
word	string	Headword / lemma
rank	int	Frequency rank (1 = most frequent)
sfi	float	Standard Frequency Index
freq_per_million	float	Adjusted frequency per million words

nawl and bsl — frequency metadata + pedagogical band

Column	Type	Description
word	string	Headword / lemma
rank	int	Frequency rank within this list
band	int	Pedagogical band grouping (lower = more frequent)
sfi	float	Standard Frequency Index
freq_per_million	float	Adjusted frequency per million words

Usage

from datasets import load_dataset

ds = load_dataset("nltk-data-hub/words", "ngsl")
ds = load_dataset("nltk-data-hub/words", "nawl")
ds = load_dataset("nltk-data-hub/words", "opinion-positive")
ds = load_dataset("nltk-data-hub/words", "opinion-negative")

Via NLTK

import nltk
nltk.download("words", hf=True)

nltk.corpus.words.words("ngsl")              # 2,809 words, frequency order
nltk.corpus.words.words("nawl")              # 963 academic words
nltk.corpus.words.words("bsl")               # 1,744 business words
nltk.corpus.words.words("toeic")             # 1,250 TOEIC words
nltk.corpus.words.words("opinion-positive")  # 2,006 positive opinion words
nltk.corpus.words.words("opinion-negative")  # 4,783 negative opinion words
nltk.corpus.words.words("en")                # 235,886 words
nltk.corpus.words.words("en-basic")          # Ogden 850
# Routed to nltk-data-hub/dolch:
nltk.corpus.words.words("dolch")             # 315 Dolch sight words
nltk.corpus.words.words("dolch-verbs")       # 92 Dolch verbs
# Routed to nltk-data-hub/swadesh:
nltk.corpus.words.words("swadesh-en")        # 207 English Swadesh words
nltk.corpus.words.words("swadesh-de")        # 207 German Swadesh words

Licenses

• en, en-basic: distributed as part of the NLTK corpus data package.
• ngsl, toeic, nawl, bsl: © Browne, Culligan & Phillips, licensed under CC-BY-SA 4.0.
• opinion-positive, opinion-negative: © Bing Liu, licensed under CC-BY 4.0.

Citations

@book{nltk,
  author    = {Bird, Steven and Klein, Ewan and Loper, Edward},
  title     = {Natural Language Processing with Python},
  publisher = {O'Reilly Media},
  year      = {2009},
  url       = {https://www.nltk.org/}
}

@article{ngsl,
  author    = {Browne, Charles},
  title     = {A New General Service List: The Better Mousetrap We've Been Looking For?},
  journal   = {Vocabulary Learning and Instruction},
  volume    = {3},
  number    = {2},
  pages     = {1--10},
  year      = {2014},
  doi       = {10.7820/vli.v03.2.browne}
}

@misc{nawl,
  author    = {Browne, Charles and Culligan, Brent and Phillips, Joseph},
  title     = {New Academic Word List 1.2},
  year      = {2013},
  url       = {https://www.newgeneralservicelist.com/nawl-new-academic-word-list}
}

@misc{tsl,
  author    = {Browne, Charles and Culligan, Brent},
  title     = {TOEIC Service List 1.2},
  year      = {2016},
  url       = {https://www.newgeneralservicelist.com/toeic-service-list}
}

@misc{bsl,
  author    = {Browne, Charles and Culligan, Brent},
  title     = {Business Service List 1.2},
  year      = {2016},
  url       = {https://www.newgeneralservicelist.com/business-service-list}
}

@inproceedings{opinion_lexicon,
  author    = {Hu, Minqing and Liu, Bing},
  title     = {Mining and Summarizing Customer Reviews},
  booktitle = {Proceedings of KDD-2004},
  year      = {2004},
  url       = {http://www.cs.uic.edu/~liub/FBS/sentiment-analysis.html}
}