Sure! Here's the requested content in spun format with synonyms:
Candace loves Phineas and also Foster.
Cara has strong feelings for Finn, and also Foster.
Philip holds a special place in the heart of Candy, and also Ferb.
Cathy revels in being with Philip and Foster.
Finn means the world to Candace, and also Foster.
Cara both Phineas and Foster.
I hope you find these variations helpful!