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
☆☆ HARM; DAMAGE; LOSS Noun 被害被害，受害，遇害 sự thiệt hại
☆☆ DAMAGE Noun 损害损失 sự thiệt hại, sự tổn thất
☆☆ DISADVANTAGE; PENALTY; DETRIMENT Noun 不利益损失 sự vô ích, thế bất lợi, sự thiệt hại, điều trở ngại