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
☆☆ JOINING; SIGNING UP; ENTRY Noun 加入加入 sự gia nhập, sự tham gia
☆☆ JOINING AN ARMY; ENLISTMENT Noun 入队入伍，参军 nhập ngũ
☆☆ ENTERING A COMPANY; JOINING A COMPANY Noun 入社入职，进公司 việc vào làm (công ty)
☆ JOINING; MEETING Noun 合流合流，汇合，汇流 sự hợp lưu, dòng hợp lưu
☆ COOPERATION; JOINING FORCES; COLLABORATION Noun 协同协同，协力，协作，合作 sự hiệp đồng, sự hợp tác