death anniversary (of an ancestor) ☊ 
giỗ ☊ (1) death anniversary (2) opposed to, against, abstain from, phobia
(3) jealous ☊
kỵ ☊ to celebrate, commemorate the 52nd anniversary (of something) ☊ kỷ niệm 52 năm ☊ birth anniversary (of Buddha) ☊ ngày vía ☊ to celebrate the anniversary of someone’s death ☊ ăn giỗ ☊