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