Firing
Part of speech: verb
Definition: To set (something, often a building) on fire.
Part of speech: noun
Definition: The process of applying heat or fire, especially to clay etc to produce pottery. The fuel for a fire. The discharge of a gun or other weapon. The dismissal of someone from a job.
Example sentence: You have to be responsible when you're running an organization, and firing people who are your friends is part of that responsibility.
Lighting
Part of speech: noun
Definition: the equipment used to provide illumination; the illumination so providedthe act of activating such equipment, or of igniting a flame etc
Example sentence: Higher ceilings allow the use indirect lighting, which is much healthier and reduces glare.