4: sen-say-shun-al.
Generally, just count the number of times that single vowels or groups of vowels appear inside the word. There are exceptions e.g. words ending in es.
Four: sen-SA-tion-al.
There are 4 syllables. Sen-sa-tion-al.
There are three Chinese syllables in the word "syllables."
The word 'answer' has 2 syllables. An-swer.
Sensational; amazing, unbelievable,
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.