This document provides an overview of basic word structure in medical terminology. It discusses analyzing words by dividing them into their component parts such as roots, suffixes, prefixes, and combining forms. Examples are given to demonstrate this word analysis, including hematology, electrocardiogram. General rules for analyzing medical words are outlined. Common noun suffixes and their meanings are defined, such as -algia for pain, -graphy for recording. Prefixes are also defined, such as a- for without, and intra- for within. The goals are to learn techniques for word analysis to understand medical terminology and relate terms to body structure and function.