► 名詞甲斐 [(1)かい]
meaning: worth rank: 3☆ ずっと
我慢した甲斐があった ⇨ It was worth persevering for a long time
遣り甲斐 [やりがい]
meaning: worth rank: 3☆ やり甲斐のある
仕事 ⇨ A job that is fulfilling to do
(☛ Something is mentally fulfilling to do)► 接尾辞甲斐 [(1)がい]
meaning: worth rank: 3☆ 働き甲斐のない
仕事 ⇨ An unfulfilling job