There are several synonyms for the term "philosophy of cosmos." Some of the common synonyms are cosmology, metaphysics, natural philosophy, and ontology. Cosmology refers to the study of the origin and structure of the universe, including theories of the Big Bang and the formation of galaxies. Metaphysics deals with the fundamental nature of reality and existence, exploring questions about the meaning of life, consciousness, and the universe. Natural philosophy is an older term that encompasses the study of the natural world, including physics, chemistry, biology, and astronomy. Ontology is a branch of metaphysics that focuses on the nature of existence and being. All of these synonyms encompass different aspects of the philosophy of cosmos and can be used interchangeably based on context.