In other words, various ologies

• –ology, –logy - A suffix indicating the science of or the study of; from the Greek term “logos” meaning word, saying, principle.

• Anthropology, noun. The study of the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
• Archaeology, noun. The study of ancient or historic peoples and their cultures by analysis of their artifacts, inscriptions, monuments, and other such remains, etc.
• Bibliology, noun. The study of the doctrine and nature of the Christian Bible as the word of God; also the study of Biblical literature.
• Biology, noun. The study of of life or living matter in all its forms and phenomena.
• Christology, noun. The study of the person, nature, and work of Jesus Christ.
• Cosmology, noun. The branch of study dealing with the origin and general structure of the universe.
• Ecclesiology, noun. The study of the nature and organization of the Christian Church.
• Epistemology, noun. The branch of philosophy that investigates the nature, origin, and limits of knowledge.
• Eschatology, noun. The branch of theology dealing with last things, such as death, immortality, resurrection, judgment, and the end of the world.
• Etymology, noun. The derivation of a word; the study of historical linguistic change, especially as manifested in individual words.
• Geology, noun. The study of the dynamics and physical history of the earth, the rocks of which it is composed, etc.
• Hagiology, noun. The branch of literature dealing with the lives and legends of the saints.
• Hamartiology, noun. The study of the nature, origin, and consequences of sin.
• Kinesiology, noun. The study of the mechanics and anatomy of human muscles, especially with respect to movement.
• Martyrology, noun. The branch of knowledge dealing with the study of the lives and history of martyrs; a list of martyrs.
• Missiology, noun. The science or study of missions (especially, the practice of evangelizing across cultures).
• Neology, noun. The study or holding of novel religious views; a new doctrine or new method of theological interpretation.
• Ontology, noun. The study of the human mind and the reasons for people’s behavior.
• Ornithology, noun. The study of birds.
• Pathology, noun. The study of diseases.
• Patriology, noun. The study of God, specifically focusing on the person of the Father within the Trinity.
• Philology, noun. The study of linguistics; or of literary texts and of written records, especially to establish their authenticity and their original form.
• Pneumatology. noun. The study of the person and work of the Holy Spirit.
• Psychology, noun. The study of the mind or of mental states and processes.
• Sacramentology, noun. The systematic study of the sacraments within Christian theology, focusing on their nature, significance, and function.
• Sociology, noun. The study of the origin, development, organization, and functioning of human society
• Soteriology, noun. The study of the divine accomplishment of the salvation of humanity; especially or specifically, in Christian theology, the study of salvation as effected through Jesus Christ.
• Teleology, noun. The study of the evidences of design or purpose in nature; or, of final causes; or, in Christian studies, the study of God’s design and purpose for the world and all that he created in it.
• Thanatology, noun. The study of death and its surrounding circumstances (as in forensic medicine), or the study of the effects of death and dying.
• Theology, noun. The study of the nature of God and of religion and religious beliefs.
• Zoology, noun. The study of animals, including their classification, structure, physiology, and history.