矛盾【むじゅん】
contradiction, inconsistency
矛先【ほこさき】
point of a spear, spearhead, focus (of one's attack, criticism, etc.), aim, target, brunt, force (of an argument), edge
矛【ほこ】
long-handled Chinese spear, lance, pike, weapon, arms, grip of a bow, parade float decorated with long-handled Chinese spears