Tallness
Part of speech: noun
Definition: The quality of characteristic of being tall.
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: I was told I would never make it because I'm too short. Well, I'm still too short. It doesn't matter what your height is, it's what's in your heart.