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