Denshi Jisho — Online Japanese dictionary

がい injury; harm; evil influence; damage
Common word, Noun 
きがい injury; harm; danger
Common word, Noun 
そがい obstruction; inhibition
Common word, Noun, Suru verb, No-adjective 
ひがい (suffering) damage; injury; harm
Common word, Noun 
むがい harmlessness
Common word, Na-adjective, Noun, No-adjective 
りがい advantages and disadvantages; interest
Common word, Noun 
かがい assault; violence; damaging (someone)
Noun, Suru verb 
かがい evil; harm; mischief
Noun 
がいい malice; malicious intent; intent to kill
Noun 
がいす 1: to injure; to damage; to harm; to hurt;
2: to kill;
3: to hinder; to obstruct
Godan verb with su ending, Transitive verb 
さがい 1: fraud;
2: (Suru verb) to defraud
Noun 
じがい suicide
Noun, Suru verb 
そがい check; obstruction; hindrance; impediment
Noun 
そがい damage by rats or mice
Noun 
こうがい pollution; public nuisance; contamination
Common word, Noun, No-adjective 
さいがい calamity; disaster; misfortune
Common word, Noun 
さつがい killing; murder
Common word, Noun, Suru verb 
しんがい infringement; violation; trespass; impairment
Common word, Noun, Suru verb 
すいがい water damage; flood disaster
Common word, Noun 
そんがい damage; injury; loss
Common word, Noun, Suru verb 
はくがい persecution
Common word, Noun, Suru verb 
へいがい evil practice; evil practise; barrier
Common word, Noun 
ぼうがい disturbance; obstruction; hindrance; jamming; interference
Common word, Noun, Suru verb, No-adjective 
やくがい harmful side effects of a medicine or drug
Common word, Noun 
ゆうがい harmfulness
Common word, Na-adjective, Noun 
れいがい cold-weather damage
Common word, Noun 

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