Online corpus resources

Corpus of Contemporary American English (COCA) 1 billion words (80% written; 20% spoken)

https://www.english-corpora.org/coca/

British National Corpus (BNC) 100 million words (90% written; 10% spoken)
1980s-1993

https://www.english-corpora.org/bnc/

Michigan Corpus of Spoken Academic English (MICASE)

• Michigan Corpus of Spoken Academic English

British Academic Spoken English Corpus (BASE)

&

British Academic Written English Corpus (BAWE)

• http://ca.sketchengine.co.uk/open/

Academic Vocabulary Lists (based on the COCA)

• https://www.academicvocabulary.info/

• Google
• Google Books
• Google Scholar