Common houseplants are popular choices for indoor gardening due to their low maintenance and ability to thrive in a variety of environments. ASPIDISTRA is a 10-letter common houseplant that is known for its long, strappy leaves and its ability to tolerate low light conditions. Aloe is a 4-letter common houseplant that is known for its succulent leaves and its medicinal properties. Ferns are also 4-letter common houseplants that are known for their lush foliage and air-purifying qualities.