Crafty, Craf+tea= Craftea
Overwhelming, Over+whale+ming= Overwhaleming
cutie, Cu+tea= Cutea
Crafty, Craf+tea= Craftea
Overwhelming, Over+whale+ming= Overwhaleming
cutie, Cu+tea= Cutea
In cryptic crosswords soundalike is used for clues resulting in homophones.
The running together of two words to form the answer is known as a charade.
When both are used at the same time it would be logical to call this a soundalike charade, but this isn't standard. Of course as the concept of sounds like or soundalike is an important one in the game of charades, the whole construction could just be called a charade.