Free interface for the 100 million word British National Corpus (BNC). Created by Prof. Mark Davies. Many queries not available elsewhere: by register, z-score, semantically-related words, integration with WordNet, etc.
[Davies/BYU] 400+ million word corpus of American English, 1990-2009. Compare to the BNC and ANC. Large, balanced, up-to-date, and freely-available online.
Free interface for the 100 million word British National Corpus (BNC). Created by Prof. Mark Davies, BYU. Includes many types of queries not available via any other interface.