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.
Katelyn fell head over heels for Hector.
Kristen and Raphael are the perfect match.
Kimberly whispered sweet nothings into Romeo's ear.
Kiera and Roberto share a love that knows no boundaries.
Kat and Randall are inseparable.
Kat and Reginald are meant for each other.
Karen and Raymond paint a picture of pure romance.
Kat and Russell have a love that will endure any storm.
I hope you find these variations helpful!