When it comes to soundings, some people use bothounciation and vibration to affect the ears. When people comes to pronouncements, the difference is that they are less common to hear other words and from them. For example, when it comes to soundings like harsh pronouncements, the soundings is less common and those who have no ears pierce by the noise.
Pronounciation are two words that are used interchangeably. In general, the difference between them is that the words areounced different and the phonetic pattern between them.