afflict v. 使苦恼;折磨(af一再+filct→一再打击→折磨)
affliction n. 苦恼;苦难(afflict+ion)
conflict v. 冲突,斗争(con共同+flict→共同打→冲突)
inflict v. 导致破坏或痛苦(in进入+flict→进入打斗→导致痛苦)
infliction n. 痛苦;负担(inflict+ion)