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'.
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ETYMOLOGY

KOREAN 3.0 Eng Wordtype Etym. Gb Vie
☆☆ STAIN; SMEAR Verb 沾上，染上 làm dính, làm vấy
☆☆ BE STAINED WITH; BE SMEARED WITH Verb 沾上 vấy, bám
☆ TRACK; TRACE; STAIN Noun 痕迹 dấu vết, vết tích
☆ ABSTAIN; REFRAIN FROM Verb 谨慎，注意 dè dặt, thận trọng, cẩn trọng