The word tumult has syllables. The first u in the word sounds like . The second u sounds like . Look at this dictionary pronunciation respelling for the word monotonous: \mə-ˈnä-tə-nəs\. The word monotonous has syllables. The first and third o in the word sound like . The second o sounds like .

The first u sounds like o in dot.

The second u sounds like oo in boot.

The first and third o sounds like a in about.

The second o sounds like a in lone.

Explanation:

There are various words of English language which have different pronunciation of same letters. These words have some letter being pronounced short at start and long at later. The word tumult has word u twice in it. The first u is pronounced short while second u is pronounced longer.

you need to explain that more, your grammer just needs to be close to perfect.