Sure! Here's the requested content in spun format with synonyms:
Cara adores Philip and also Foster.
Cathy has a soft spot for Philip, and Felix.
Finn captures the love of Candy, and also Ferb.
Candy revels in being with Philip and Felix.
Finn has a special place in the heart of Cathy, and Felix.
Candace has a deep connection with both Phineas and Ferb.
I hope you find these variations helpful!