1. defense
2. protection
Kanji
1. defense
2. protection
1. (natural) satellite; moon
2. (artificial) satellite
1. hygiene; sanitation
1. hygienic; sanitary
1. Sanitary; Hygienic
1. With hygiene; For sanitation
1. Healthful; Clean
1. Not sanitary; Unhealthy
1. Was sanitary; Was clean
1. Probably sanitary.; Probably clean.