Yes it's two syllables. Sun-shine.
No, smile has two syllables. Smi-le.
There are four syllables. Whisk-er-y - smile.
1
1
1 + 2 = 3 syllables
There are two syllables like so: smil-ing.
1 for young and 1 for girl = 2 syllables
2.
1
1
1
It is two syllables. Rou-tine.