aesthetics — Aesthetics is a branch of philosophy concerned with the study of the idea of beauty.
athletics — Athletics refers to track and field sports such as running, the high jump, and the javelin.
genetics — Biology. the science of heredity, dealing with resemblances and differences of related organisms resulting from the interaction of their genes and the environment.
kinetics — the branch of mechanics that deals with the actions of forces in producing or changing the motion of masses.