Sure! Here's the requested content in spun format with synonyms:
Cara is crazy about Finn and Felix.
Cathy has strong feelings for Fred, and also Foster.
Phineas has won the affection of Cassandra, and also Foster.
Cassandra revels in being with Phineas and Frank.
Fred is cherished by Cara, and also Ferb.
Cassandra shares a bond with both Philip and Frank.
I hope you find these variations helpful!
