Sappy.
Probably "la vie dorée" (the golden life), as there is no direct equivalent to the "sweet" life in French. "La vie en rose" (life in pink) means a happy life, not exactly the same as the sweet life.
A name for small pies that rhymes with hearts would be "tarts."
Heureux douce seize.
'Maison douce' is an automatic translation of 'sweet home' in English.
Pleasant Pheasant
sappy
Sweet
I've seen people use Schmatzy when they mean Schmaltzy, which means overly sentimental, or very sweet.
Sweet Tarts
sweet tarts!
Sweet tarts
wheat
The cast of The Sentimental Sister - 1914 includes: Marshall Neilan Gertrude Robinson Blanche Sweet
Yes sweet rhymes with petite.
chocolate fondue
Having a sweet disposition can mean a person is generally sweet and timid when around other people. When a dog is said to have a sweet disposition it means it is friendly, happy, and non-aggressive.
drums that beat