Sure! Here's the requested content in spun format with synonyms:
Cathy adores Philip and Ferb.
Cassandra has deep affection for Phineas, and Foster.
Phineas has won the affection of Candy, and Ferb.
Cara finds joy in being with Finn and Foster.
Fred has a special place in the heart of Cara, and also Felix.
Cara both Philip and Frank.
I hope you find these variations helpful!
Lord of the Firesides