Common root words in the English language include ject, sect, micro, phobia and tele. Root words form the basis of new words and do not have prefixes or suffixes. These words are Latin- or Greek-based.
The root words ject and sect are Latin. Ject means to throw, and sect means to cut. English words that have ject as the root include projection, describing an object that juts out or protrudes, and rejection, meaning to eliminate. English words that have sect as the root include bisect, meaning to cut something into two equal parts, and section, defining the part that is cut off or separated.
The root words micro, phobia and tele are Greek. Micro means small, and English words that have micro as the root include microscope, which is a tool used for viewing objects that are too small to be seen by the naked eye, and microorganism, which is any organism too small to be seen by the eye alone. Phobia means fear, and English words that have phobia as the root include hydrophobia, which is the fear of water, and arachnophobia, which is the fear of spiders. The root word tele means far off, and is the root of television and telephone.