おさ.める おさ.まる なお.る なお.す 
() subdue () naosu: heal () osameru: rule over
                     
なおす (v5s,vt) (1) to cure, to heal, (2) to fix, to correct, to repair, (aux-v) (3) to do over again (after -masu base of verb), (4) to replace, to put back as it was, (5) to convert (into a different state), to transform
おさまる (v5r,vi) to be at peace, to clamp down, to lessen (storm, terror, anger)
おさめる (v1,vt) (1) to govern, to manage, (2) to subdue
なおる (v5r,vi) (1) to be cured, to get well, to be healed, (2) to get mended, to be repaired, to be fixed
ちあん (n) public order
ちけん (n) clinical trial
ちすい (n,vs) flood control
ちゆ (n,vs) healing, cure, recovery
ちりょう (n,vs,adj-no) medical treatment, cure

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Etymologies: 中文字譜 : 説文解字