There isn't a single, widely used alternative name for kinetic energy. However, you could describe it as:

* Energy of motion - This is a more descriptive phrase that captures the essence of kinetic energy.

* Motional energy - Another descriptive phrase emphasizing the movement aspect.

It's important to note that while these phrases accurately describe kinetic energy, they are not formal synonyms like "water" and "H2O." Using them helps explain what kinetic energy is, but the term "kinetic energy" remains the most accurate and widely understood term.