Sure! Here's the requested content in spun format with synonyms:
Cathy is crazy
about Philip and Foster.
Cara Finn, and also Ferb.
Fred has won the affection of Candace, and Foster.
Cassandra takes delight in being with Finn and Frank.
Phineas means the world to Candace, and Felix.
Cara both Phineas and Frank.
I hope you find these variations helpful!
