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 syllables in the word what is only 1 : "what".
The word has three syllables.
2 syllables in the word weekend
there are two syllables in the word grueling
The word burnol has two syllables. The syllables in the word are bur-nol.
The word moving has two syllables. The syllables in the word are mo-ving.
The word owner has two syllables. The syllables in the word are own-er.