-logy

study, science, theory

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 the use of knowledge in science to make useful things, such as computers and smartphones.

  • anthropology

    the social science that studies the origins and social relationships of human beings

  • archaeology

    the branch of anthropology that studies prehistoric people and their cultures

  • dermatology

    the branch of medicine dealing with the skin and its diseases

  • ecology

    the environment as it relates to living organisms

  • entomology

    the branch of zoology that studies insects

  • etymology

    a history of a word

  • geology

    a science that deals with the history of the earth as recorded in rocks

  • meteorology

    predicting what the weather will be

  • ophthalmology

    the branch of medicine concerned with the eye and its diseases

  • paleontology

    the earth science that studies fossil organisms and related remains

  • philology

    the humanistic study of language and literature

  • psychology

    the science of mental life

  • sociology

    the study and classification of human societies

  • terminology

    a system of words used to name things in a particular discipline

  • theology

    the rational and systematic study of religion and its influences and of the nature of religious truth

  • trilogy

    a set of three literary or dramatic works related in subject or theme

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