ソン 
そこ.なう そこな.う -そこ.なう そこ.ねる -そこ.ねる 
() damage () loss () injury
   
そん (adj-na,n,n-suf) loss, disadvantage
そこなう (io) (suf,v5u) to harm, to hurt, to injure, to damage, to fail in doing
そんする (vs-s) to lose
そこなう (suf,v5u) to harm, to hurt, to injure, to damage, to fail in doing
そこねる (v1,vt) (1) to harm, to hurt, to injure, (aux-v) (2) to miss out, despite wanting to do
そんえき (n) profit and loss, advantage and disadvantage
そんかい (n,vs) damage, destruction
そんがい (n,vs) damage, injury, loss
そんがいほけん (n) damage insurance
そんしつ (n) loss (e.g. assets or profits)
そんしょう (n,vs) damage, injury
そんとく (n) loss and gain, advantage and disadvantage

Links: KanjiDic: EDict : Wikimedia
Etymologies: 中文字譜 : 説文解字