Oxygenous and Oxygen

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