Collocations for sweetness - noun

natural
cloying (esp. BrE), sickly
the sickly sweetness of incense

hint
This is a full-bodied wine with just a hint of sweetness.

taste
add
Vanilla adds sweetness and creaminess to ice cream.

great
cloying (esp. BrE), saccharine (esp. BrE), sugary (esp. AmE)
She smiled with saccharine sweetness.

taste
to taste the sweetness of military success

all sweetness and light
People think she's all sweetness and light, but she actually has a temper.

dripping with sweetness (esp. AmE)
Her voice was dripping with sweetness.