Sure! Here's the requested content in spun format with synonyms:
Candy adores Phineas and Ferb.
Candace has
strong feelings for Finn, and also Ferb.
Fred Cara, and Ferb.
Cassandra revels in being with Phineas and Foster.
Phineas is cherished by Candy, and also Frank.
Candy has a deep connection with both Philip and Felix.
I hope you find these variations helpful!