There is 1 syllable.
1 Source: Prep school English teacher for 13 years. ____ As with any word, how many syllables depends on how you say it. For this word, most people would probably say it in one syllable... "reigned" with no break. If you are trying to fit it into iambic pentameter or are trying to do a fake medieval accent, you might say it "reign-ed" and then it would be two syllables. In general though, I would go with one. Seems less pretentious. :)
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