This document provides definitions for various Greek word parts and words derived from Greek. It defines suffixes like -ology meaning "study of" and -phobia meaning "fear of". It then defines words that incorporate these Greek word parts, including biology, hydrophobia, tourism, geology, cartoonist, technology, journalism, violinist, ecology, patriotism, vocalist, meteorology, zoology, claustrophobia, capitalism, novelist, technophobia, agoraphobia, anthropology, absenteeism, paleontology, and alarmist.