HSK 3.0 11000 CHINESE WORDS
ENGLISH 6000 THEME WORDS
Kuchen und Nachspeisen: celebration lễ kỷ niệm
OXFORD 5000 CORE WORDS
TANAKA 6000 CORE WORDS
lễ kỷ niệm 
anniversary, memorial celebrations
[ lễ ] : religious ceremonies, festival, holiday
[ kỷ ] : (1) order, discipline; (2) small table, bench; (3) self; (4) to write, record; (5) cycle, era; (6) 6th cycle of the twelve years of the Chinese zodiac
lễ kỷ niệm anniversary, memorial celebrations [ kỷ ] : (1) order, discipline; (2) small table, bench; (3) self; (4) to write, record; (5) cycle, era; (6) 6th cycle of the twelve years of the Chinese zodiac