5 words in this vocabulary list
noun a small green plant that typically grows in dense clumps or mats in damp or shady locations
noun the structure forming the upper covering of a building or vehicle
noun a type of building that is much wider than it is tall, similar to a skyscraper but built horizontally into the ground
noun a tall building predominantly made of wood or timber
noun wastewater generated from activities such as laundry, dishwashing, and bathing, which can be reused for irrigation or other non-potable purposes