Sure! Here's the requested content in spun format with synonyms:
Cara adores Finn and also Frank.
Cathy
has deep affection for Finn, and Ferb.
Phineas captures the love of Cara, and Foster.
Cathy revels in being with Finn and Ferb.
Phineas means the world to Cathy, and Frank.
Candy both Phineas and Ferb.
I hope you find these
variations helpful!
Phineas and Ferb Get Busted