Sure! Here's the requested content in spun format with synonyms:
Cathy adores Philip and also Foster.
Candace has strong feelings for Phineas, and Ferb.
Fred captures the love of Cara, and Frank.
Cara finds joy in being with Fred and Felix.
Finn means the world to Candace, and Foster.
Candace both Fred and Ferb.
I hope you find these variations helpful!
