stumble at the # 60_1PE_02_08 # And a stone of stumbling, and a rock of offence, [even to them] which stumble at the word, being disobedient: whereunto also they were appointed. 
stumble at the # 39_MAL_02_08 # But ye are departed out of the way; ye have caused many to stumble at the law; ye have corrupted the covenant of Levi, saith the LORD of hosts.