1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Core Words Familarize yourself with the 'core words'.
Compounds Expand your vocabulary by studying more complex words built by the 'core words'.
Wordsense Learn about the wordsenses of the english term.

ETYMOLOGY

KOREAN 3.0 Eng Wordtype Etym. Gb Vie
☆☆ CONSCIENCE Noun 良心良心 lương tâm
☆☆ SCIENCE Noun 科学科学 khoa học
☆ FORESIGHT; PRESCIENCE Noun 豫见预见 sự dự kiến, sự dự đoán
☆ NATURAL SCIENCE Noun 自然系理科，自然科学 giới khoa học tự nhiên