安全 (translations)→ better good harmless safe security well
安全な (translations)→ nice reliable stable
安否 (translations)→ okay welfare
危険 (translations)→ chance damage danger dangerous deadly hairy harm life peril possibility potential pratfall risk trap
慎重 (translations)→ cautious cautiously discretion great respect tact
無事 (translations)→ happy impunity intact protect safely
避難訓練 (translations)→ evacuation drill fire drill