Lists of Korean vocabulary.
Korean Digital Academy, Glossika, italki Tutor, Frequent Korean Words
Topik Vocabulary: 6000 Most Frequent Korean Words
The Frequency list of 6000 most common Korean words (FL) is compiled by National Institute of Korean language. 6 parts: FL 1, FL 2, FL 3, FL 4, FL 5 and FL 6.
(See similar list: 6000 Korean Words plain text, alphabetic ordering by Hangul)