One.
The easiest way to tell is clap while you say it in blocks.
Far - has one
wa-ter has two.
2 syllables. Not sure what sillables are!
There is 3
One
five
Four.
2
three syllabes
Just one.
2, because DFIODSFI
One syllable in sigh.
2 syllables - den- mark
The word must has one syllable.