Academic Vocabulary sites
Useful tools for improving vocabulary
http://www.lextutor.ca/
Thesaursus: find words with similar or different meanings
http://www.thesaurus.com/
Academic Word Lists
Very useful academic word list. Combine it with the Adobe Advanced PDF search techniques in the Computer-assited writing section of this site to see how these words are used in your field.
http://language.massey.ac.nz/staff/awl/headwords.shtml#top
http://homepage.usask.ca/~dul381/common/Academic_Word_List.doc
Same list linked to the dictionary and a more specific list by field
http://www.uefap.com/vocab/select/selfram.htm
Academic Vocabulary Wordlist with exercises
http://web.uvic.ca/~gluton/awl/
Commonly confused wordshttp://www.wsu.edu:8080/~brians/errors/errors.html
American SAT question of the day
http://www.nytimes.com/learning/students/satofday/index.html
Word of the day for the SAT
http://www.nytimes.com/learning/students/wordofday/
Learner’s Dictionary