Dug-out is a term commonly used to describe a small shelter or dwelling that has been excavated or dug into the ground. However, there are a variety of alternative words that can be used to describe similar types of structures. Some synonyms for dug-out include pit house, earth lodge, subterranean dwelling, cave dwelling, underground shelter, and burrow. Each of these terms describes a similar concept, often used by early civilizations or individuals looking for a protective shelter. While the term "dug-out" remains the most commonly used descriptor, these synonyms can add variety and nuance to descriptions of this type of structure.