"Subterrany" Natural Recordings by Native Speakers
"Subterranean" refers to something found or living beneath the surface of the earth or a place, especially a cave or tunnel, beneath the surface of the ground.
For example:
The subterranean railway runs beneath the city streets.
The subterranean landscape was filled with hidden caverns and underground streams.
Note that while "subterrany" is not a word in the English language, I assume you meant "subterranean".
Extending or occurring beneath something, especially an angle or a plane. The area of a shape that is subtended by an arc or a line.
The word "subterfuge" refers to a cunning or deceitful plan or action used to deceive or mislead people, often over a particular issue or situation. It can also refer to a strategy or tactic used to avoid detection or evade responsibilities, such as hiding or concealing one's true intentions or actions.