Height
Part of speech: noun
Definition: The distance from the base of something to the top. Height of a standing person or animal (withers). The highest point or maximum degree. an area of land at the top of a cliff.
Example sentence: The length of a man's outspread arms is equal to his height.
Altitude
Part of speech: noun
Definition: The height measured from sea level up to any given point.A vertical distance.The distance measured perpendicularly from a figure's vertex to the opposite side of the vertex.The angular distance of a heavenly body above our Earth's horizon.
Example sentence: Training at altitude took two weeks to get used to.