Sure! Here's the requested content in spun format with synonyms:
Cara loves Phineas and also Felix.
Cassandra has strong feelings for Finn, and Frank.
Philip Cathy, and also Ferb.
Candace revels in being with Philip and Felix.
Finn has a special place in the heart of Cassandra, and Felix.
Cara shares a bond with both Fred and Frank.
I hope you find these variations helpful!