Home > Coverage
 Coverage Calculator v.1.2         Research coming...
  The percent of corpus words covered by a word list   New 2020: Elim.-Propers-from-Corpus option
This program calculates how many times the words on a list appear in a corpus. A list of the 2000 most common word families is often said to 'cover' up to 80% of the individual words in a general corpus of English. || How proper nouns in the corpus will be treated in this calculation is a checkbox option.|| Headword lists can be expanded into family/lemma lists here || List coverage in texts can be calculated here (Demo 7). || Known max of this routine mid-2020: 13k wds in list x 2.5m wds in corpus; with proper elimination 13k wds list x 1.2m wds corpus

COVERAGE RESEARCH: >   1. Nation (2006) 2. Laufer Ravenhorst (2010) 3. Schmitt Jiang Grabe (2011) 4. Schmitt Cobb et al (2015)  


AWL Heads

AWL Fams

BNC 1k Fams

BNC 1k Lems

[1k]   [1-2k]

BN-Coca Fams
[1k] [2k] [3k]
[1-2k] [1-3k]

[1k] [2k] [3k]
[1-3k]   [?]

(1) Click or paste LIST/name


  (2) Choose Corpus/Collection


(3) ELIM. Propers 
Max 1m


(4) Click

(5) See result