Root Word: -logy

the study of organisms and the habitat around them.

the study of skin.

the study of human history

the study of humans in general.

the study of the earth.

a collection of literary pieces.

saying the same thing twice in different words.

the study of insects.

the study of word origins.

the study of the weather.

the study of metaphysics

the study of optical diseases.

the study of religion.

a system of terms used in academic study.

the study of scientific knowledge

the study of the development of humans.

the study of languages.

the study of fossils.

the study of the human mind.

a set of three, usually used in books, movies, plays, etc.