Fungus is a broad term that encompasses a wide variety of organisms, including GROWTH (6 letters), PARASITE (8 letters), puffball (8 letters), MUSHROOM (8 letters), mold (4 letters), TOADSTOOL (9 letters), ERGOT (5 letters), MILDEW (6 letters), AGARIC (6 letters), YEAST (5 letters), LICHEN (6 letters), MOULD (5 letters), and MOREL (5 letters). These organisms can be found in a variety of habitats, from soil to water, and can range in size from microscopic to large. Fungi are important decomposers in the environment, breaking down organic matter and releasing nutrients back into the soil. They also play an important role in food production, as some species are used to make bread, beer, and other products.