Sure! Here is a collection of sentences that include synonyms for each word in the keyword "kat and romeo":
Kat and Roman are deeply in love.
Katie and Rafael couldn't resist each other's charm.
Kat fell head over heels for Hector.
Kat and Romeo are the perfect match.
Kat whispered sweet nothings into Romeo's ear.
Keira and Romeo share a love that knows no boundaries.
Kat and Roland are inseparable.
Kat and Rowan are meant for each other.
Karen and Reuben paint a picture of pure romance.
Kat and Rodney have a love that will endure any storm.
I hope you find these variations helpful!