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Roots

Roots serve as the starting point for most words. A list of common root words follows.

alter (other) alternative (a different choice)

anni, annu, enni (year) anniversary (yearly event), annual (once a year), biennial (lasting two years)

anthrop (human being) anthropologist (someone who studies the development of humans)

aster (star) asteroids (irregularly shaped bodies orbiting the sun)

aud (hear, listen) audiology (the study of hearing)

bibl (book) bibliography (list of books)

bio (life) biosphere (the part of earth in which living things exist)