- MorphoLex
Affix Level x Frequency Profiler: BNC-Coca k-lists or texts (new) are sorted according to a model of affix development, in terms of how much particular affixes get used, how transparent their meanings are, how much change they impose on the base word, and how much they are likely to be known at different levels. This model is the basis of the family lists. Morpholex lets you track seven separate sets of affixes (or six of them together + summary profile) in 25 BNC-COCA k-lists or in your own list or text.
- 14 Master Words x Frequency
Master Words was an influential notion proposing that the components of just 14 words are re-used in as many as 14,000 further words. Thus, if learners really knew these 14 words... Test the coverage of these word parts in the broader lexicon.
- Lextutor's main English and French concordancers
- include a family/lemma members list at the top+bottom of the output for family or starts-with search sorted keyword (example)
- English Vocabprofile include a TYPES:FAMILIES measure showing the number of different forms present for each word family in a reading text or learner production. A ratio of 1:1 suggests a simple text where each word appears in just one form; a high ratio of types to families suggests that many words employ more than one form, possibly including derived forms. In the case of learner production this ratio can track morphology development - as shown in a study by Horst & Collins, 2006).
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