Oxygen and Oxygenous

Oxygen noun - A nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust.

Oxygenous and oxygen are semantically related. In some cases you can use "Oxygenous" instead an adjective "Oxygen".

Oxygen and oxygenous are semantically related. You can use "Oxygen" instead an adjective "Oxygenous".