Sure! Here's the requested content in spun format with synonyms:
Cassandra is crazy about Fred and Ferb.
Candace has a soft spot for Phineas, and also Felix.
Philip has won the affection of Candy, and Ferb.
Cassandra finds joy in being with Phineas and Frank.
Philip is cherished by Candace, and also Felix.
Cara both Finn and Frank.
I hope you find these variations helpful!
