Science and Study:
* Biology: The study of living organisms.
* Geology: The study of the Earth's physical structure and history.
* Psychology: The study of the mind and behavior.
* Sociology: The study of society and social relationships.
* Zoology: The study of animals.
* Physiology: The study of the functions of living organisms.
* Astrology: The study of celestial objects and their supposed influence on human affairs.
* Cosmology: The study of the origin, evolution, and structure of the universe.
* Ethnology: The study of the origin, development, and customs of different human races.
Other:
* Technology: The application of scientific knowledge for practical purposes.
* Analog: A device or system that produces an output that is analogous to its input.
* Logic: The study of reasoning and argumentation.
Note: The prefix "logy" usually indicates the study or science of something.