One. The 'p-d' sound at the end of 'heaped' does not constitute a syllable because there is no vowel sound. Words which start or end with the sound of two consonants will remain monosyllabic if there is only one major vowel sound (e.g. snake, trust, slick, etc. etc.)
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. :)
2 syllables in the word weekend
The word burnol has two syllables. The syllables in the word are bur-nol.