General:
* Undulations: This is a more formal word for waves, often used in scientific contexts.
* Ripples: This refers to small, gentle waves.
* Billows: This refers to large, rolling waves, often used in descriptions of the ocean.
* Surges: This refers to waves that rise and fall rapidly, often used in descriptions of water or emotions.
* Oscillations: This is a scientific term for waves that move back and forth, like sound waves.
Specific to water:
* Swells: These are large, rolling waves that are created by wind.
* Tides: These are the regular rise and fall of sea levels caused by the gravitational pull of the moon and sun.
* Currents: These are streams of water that move in a particular direction.
Other:
* Pulse: This refers to a single wave of energy.
* Fluctuation: This refers to a variation or change in something, like a wave of emotion.
The best word to use will depend on the specific context and the type of wave you are referring to.