Sure! Here is a collection of sentences that include synonyms for each word in the keyword "kat and romeo":
Kitty and Roman 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 Adrian's ear.
Keira and Roberto share a love that knows no boundaries.
Kat and Romeo are inseparable.
Keisha and Romeo are meant for each other.
Kelly and Romeo paint a picture of pure romance.
Kassidy and Russell have a love that will endure any storm.
I hope you find these variations helpful!