たいtaiらげるrageru
1.

To bring a chaotic situation under control and restore order by overcoming opposition or adversaries.

2.

To consume all food presented without leaving any leftovers.

3.

To make a surface level or flat in appearance or condition.

Example:

彼はごちそうをすっかり平らげた。

たいtaira
1.

The condition of a surface being even without any variations in height or texture, creating an uninterrupted plane.

2.

A state of tranquility or peace, indicating a lack of conflict or disturbance in one's surroundings or emotional state.

3.

The manner of sitting comfortably without adhering to formal postures, often reflecting a relaxed attitude.

4.

A characteristic of an individual or situation that exhibits a gentle or mild disposition, suggesting a serene and agreeable nature.

Example:

あの山の頂上は平らだ。

たいtaiらかrakaたいらtairaka
1.

Describing a surface that is even and free from any bumps or changes in elevation, providing a smooth and flat quality.

2.

Portraying a state of tranquility and calmness, often reflecting a peaceful atmosphere or environment.

3.

Signifying a sense of mental stability and composure, indicating a peaceful and untroubled state of mind.

4.

Illustrating conditions that are steady and undisturbed, often used to describe a situation or setting that lacks chaos or conflict.