セーム革[seemugawa] chamois leather
沿革[enkaku] history
革まる[aratamaru] to be renewed
革める[aratameru] to change
改革[kaikaku] reform

改革案[kaikakuan] reform proposal
改革過程[kaikakukatei] reform process
革靴[kawagutsu] leather shoes
革新[kakushin] reform
革新系[kakushinkei] liberal