Sure! Here's the requested content in spun format with synonyms:
Cassandra is crazy about Fred and also Ferb.
Cassandra has a soft spot for Fred, and Felix.
Finn Candace, and Frank.
Cathy takes delight in being with Finn and Ferb.
Philip Candace, and also Foster.
Cathy has a deep connection with both Fred and Foster.
I hope you find these variations helpful!
