like: die Sicherheit → →
die Sicherheit ☊ 
sự bảo hiểm ☊ 
☊ Bitte ändern Sie die Sicherheitseinstellungen Ihres Rechners. ☊ Xin hãy thay đổi việc thiết lập an toàn cho máy tính của anh / chị. ☊ (Lektion 113, Nr. 2078) The car crashed into the safety barrier and burst into flames. ☊ barrier ☊
There is considerable disagreement over the safety of the treatment. ☊ disagreement ☊
The rules are there to ensure everyone's safety and enjoyment. ☊ enjoyment ☊
The police have expressed grave concern about the missing child's safety. ☊ grave ☊
Fears are growing for the safety of a teenager who disappeared a week ago. ☊ grow ☊
The health and safety officer will guide you through the safety procedures. ☊ guide ☊
Information about safety procedures is in the pocket in front of you (= on a plane). ☊ pocket ☊
The police are concerned for the safety of the 12-year-old boy who has been missing for three days. ☊ safety ☊
I'm worried about the safety of the treatment. ☊ safety ☊
the security of a loving family life ☊ security ☊
the security forces/services (= the police, army, etc.) ☊ security ☊
Security was/were called to the incident. ☊ security ☊
They pose a serious threat to security. ☊ serious ☊
They are seriously concerned about security. ☊ seriously ☊