There is only one.
No, "shrieked" is a verb, specifically the past tense form of the verb "shriek," which means to make a loud, high-pitched sound. An adverb modifies a verb, adjective, or another adverb, but "shrieked" itself is not an adverb.
Amanda shrieked at the sight of the big brown mouse.
There are three Chinese syllables in the word "syllables."
The word 'answer' has 2 syllables. An-swer.
There are four syllables in the word "usually".
The word has three syllables.
The syllables in the word what is only 1 : "what".
The word apotex has three syllables. The syllables in the word are a-po-tex.
The word prophets has two syllables. The syllables of the word are pro-phets.
4 syllables are in the word di·ver·si·ty.
Their are two syllables in the word silly.
2 syllables are in the word nuisance. :)