airing / erring [ˈɛrɪŋ]
airing – n. – 1. operation in which air is blown through molten copper in a wire bar or anode furnace. Sulfur is removed as SO, and impurities are slagged off; 2. generally, action of exposing to air to ventilate, dry etc.; 3. gerund – broadcasting a program or information; 4. examination
erring – n. and adj. - the process of making a wrong choice or series of decisions or actions.