Gashouse is a term commonly used to refer to facilities that produce and distribute gas. There are, however, several synonyms for the word "gashouse" that can be used interchangeably. One such synonym is "gasworks," which refers to a facility where gas is produced and distributed. Another synonym is "gas plant," which is a term often used to refer to a facility that produces natural gas. Additionally, "gas factory" can be used to refer to a place where gas is processed and distributed. These synonyms all denote facilities that are involved in the production and distribution of gas, with varying levels of specificity.