Meanings

defending forces

defense

soundproof room

winter clothes

protective mask

anti-... law

soldiers garrisoned at strategic posts in Kyushu in ancient times

Secretary of Defence (Defense)

defense

communicable disease control (e.g. by quarantine, disinfection, etc.)

firewall

defense

prevention

deodorant

protection from insects

breakwater

protective wall

Director General of (former) Defence Agency (Defense)

fire prevention

joint defense