Highest and High-rise

Highest adjective - Being at a point or level higher than all others.

High-rise and highest are semantically related. In some cases you can use "High-rise" instead an adjective "Highest".

High-rise adjective - Used of buildings of many stories equipped with elevators; tall.

Highest and high-rise are semantically related. Sometimes you can replace term "Highest" with "High-rise", this terms are similar.