- Both are love songs
- Both express a strong and overwhelming feeling of love
- Both use metaphorical language to describe the feeling of love
Differences:
- Can't Help Falling in Love is a popular song written by Hugo Peretti, Luigi Creatore, and George David Weiss, while Romeo and Juliet is a tragedy written by William Shakespeare.
- Romeo and Juliet is set in the 16th century in Verona, Italy and it tells the story of two star-crossed lovers who fall in love and die. Can't Help Falling in Love is a more contemporary love song that is not set in a specific time or place.
- Romeo and Juliet is a play that is written in verse, while Can't Help Falling in Love is a song that is written in prose.
- Romeo and Juliet is a tragic story that ends in the death of the two main characters, while Can't Help Falling in Love is a more optimistic song that celebrates the feeling of love.