The word elope is correct and usable in written English.
Elope can be used to refer to a couple running away and getting married without anyone's knowledge or approval. For example: "The couple wanted to avoid dealing with their families, so they decided to elope and get married in secret."
"The Sins of the Mother", a story by Jamil Ahmad, a 79-year-old whose first novel is shortly to be published, tells of a Baluch couple who elope and are given sanctuary by soldiers until their tribe comes after them.
In the course of often harrowing adventures on land and sea, he managed to elope with Anna Maria Ribeiro da Silva Anitaa), a married woman, who remained his companion in arms until her death.
Returning home in 1774, he taught drawing and mathematics to the daughters of a general, Józef Sosnowski; he fell in love with Ludwika, one of the daughters, and tried unsuccessfully to elope with her.
Slender is favoured by Master Page, who devises a plan for Slender and Anne to elope after the play's climactic scene.
Mayhem erupts in the third act after the fickle Proteus arrives in Milan and abruptly becomes enamoured with Silvia, the Duke's fair daughter, with whom Valentine plans secretly to elope.
Caro sent him pubic hair, dressed as a page boy, farcically tried to elope with him.
They decided to elope despite protests from their parents.
He's gone AWOL so as to elope with Suzy, neither of them much given to travelling light: he's got a BB gun, a huge rucksack, his paintbox and brushes, she's brought suitcase, satchel, cat (plus cat food), books and a record player.
It's one thing to elope if you don't get on with your family.
Models do get lost and have to be tracked down through the mazes of boulevard night life; they do occasionally fall into the Seine; they do sometimes elope with wealthy playboys; and Dovima did nearly topple from the Eiffel Tower in an access of dramatic fervor.
The youngsters attempt to elope and spend a few happy hours holding hands in a pitch-black movie house.
