Vocabulary

Michigan International Corpus of Academic Spoken English http://quod.lib.umich.edu/cgi/c/corpus/corpus?c=micase;page=mbrowse VOICE: Vienna-Oxford Corpus of International English (this one you must join, though it's free) http://www.univie.ac.at/voice/ Academic Word List http://www.esldesk.com/vocabulary/academic Academic Word List Exercises http://www.academicvocabularyexercises.com/ Merriam-Webster Online http://www.merriam-webster.com/cgi-bin/mwwod.pl