-logy

Usage

• tautology

  When you employ a tautology, you needlessly and often unintentionally repeat a similar sense of one word when using other words to describe it, such as in the redundant phrases "free gift" or "usual custom."

• epistemology

  Epistemology is the philosophical study of knowledge, including its limits, source, and nature.

• eschatology

  Eschatology is the philosophical study of what happens after death; it can also pertain to religious doctrines concerning death and its aftermath.

• ontology

  Ontology is a branch of philosophy that discusses such concepts as the very nature of reality, being, essence, and the ultimate entity that gives rise to existence.

• biology

  Biology is the scientific study of living things, such as plants and animals.

• technology

  Technology is advanced or modern scientific knowledge of new machines and equipment, such as computers and smartphones that are used in education and business.