Sure! Here's the requested content in spun format with synonyms:
Cathy is crazy about Philip and Frank.
Cassandra has strong feelings for Fred, and Ferb.
Philip captures the love of Cara, and also Foster.
Cassandra finds joy in being with Fred and Foster.
Fred means the world to Cassandra, and Frank.
Candy has a deep connection with both Phineas and Frank.
I hope you find these variations helpful!
Candace FINALLY Busts Phineas and Ferb