One
The accented syllable in the word unfold is the second syllable ([un-FOLD] - /ʌnˈfoʊld/ in IPA).
There is one accented syllable in the word "above," which falls on the first syllable "a-."
second
The accented syllable is the second of the two syllables in the word because.
The word restless has two syllables. rest-less (The root word rest is in bold because it is accented, or emphasized, louder than -less. -less is a suffix, and a suffix is never accented instead of the root word.)
The first.
The second.
It is usually two; Be-side. Not if you say it quickly; like [bes-side.]
Just the first.
There are two syllables in the word pretend. A good way to figure out how many syllables are in any word, is to put you hand under your chin and say the word aloud, count how many times your hand goes down, and that is how many syllables are in the word.
Heliocentric has five syllables: he-li-o-cen-tric. It is accented on the fourth syllable.
The word circumstance has three syllables. It is accented like cir'-cum-stance.