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.
Katie and Ramiro couldn't resist each other's charm.
Kat fell head over heels for Romeo.
Kristen and Rodrigo are the perfect match.
Kendall whispered sweet nothings into Romeo's ear.
Kiera and Rome share a love that knows no boundaries.
Kara and Roland are inseparable.
Kat and Reginald are meant for each other.
Kelly and Reuben paint a picture of pure romance.
Kat and Russell have a love that will endure any storm.
I hope you find these variations helpful!