* Navigate: To steer a ship or aircraft, or to find one's way around.
* Navigation: The act of steering a ship or aircraft, or the process of finding one's way around.
* Navigator: A person who steers a ship or aircraft, or who plans routes and guides others.
* Naval: Relating to ships or the navy.
* Navy: A country's fleet of warships.
* Circumnavigate: To sail or travel completely around something, such as the globe.
* Navigable: Capable of being sailed or traveled upon.
There are also some less common words with the "nav" root, such as:
* Nave: The central part of a church, often extending from the entrance to the altar. (This word is also related to the Latin word "navis," meaning "ship.")
* Navel: The indentation in the abdomen where the umbilical cord was attached. (This word is connected to the Latin word "umbilicus," meaning "navel.")
These are just a few examples. The "nav" root is quite versatile and appears in many words related to sailing, travel, and even anatomy.