oxygen

As nouns the difference between oxen and oxygen

is that oxen is plural of lang=en while oxygen is a chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994.

As nouns the difference between argon and oxygen

is that argon is argon while oxygen is a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994.

As a noun oxygen

is a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994.

As an adjective azote is

of or relating to nitrogen, nitrogenous.

As a noun oxygen

is a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994.

As a verb azure is

.

As an adjective azure is

azure (blue in colour).

In countable terms the difference between calcium and oxygen

is that calcium is an atom of this element while oxygen is an atom of this element.

As nouns the difference between calcium and oxygen

is that calcium is a chemical element, atomic number 20, that is an alkaline earth metal and occurs naturally as carbonate in limestone and as silicate in many rocks while oxygen is a chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994.