Sure! Here's the requested content in spun format with synonyms:
Cara adores Phineas and also Foster.
Candace has deep affection for Finn, and also Frank.
Finn captures the love of Cassandra, and also Frank.
Cassandra finds joy in being with Finn and Foster.
Phineas is cherished by Cara, and also Frank.
Candy has a deep connection with both Fred and Frank.
I hope you find these variations helpful!