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.
Kat fell head over heels for Romeo.
Kristen and Romeo are the perfect match.
Kendall whispered sweet nothings into Adrian's ear.
Keira and Romeo share a love that knows no boundaries.
Kat and Roland are inseparable.
Keisha and Reginald are meant for each other.
Kelly and Reuben paint a picture of pure romance.
Kendra and Russell have a love that will endure any storm.
I hope you find these variations helpful!