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