Did you mean: severance, dissever, deliverance, perseverance, asseverate?

dissever (v.)youdaoicibaDictYouDict[dissever 词源字典]
late 13c., from Anglo-French deseverer, Old French dessevrer (10c.), from des- (see dis-) + sevrer (see sever). Related: Dissevered; dissevering; disseverance; disseveration.[dissever etymology, dissever origin, 英语词源]