It's the same: Dover.
we spell fourteen as quatorze in french pronouncing katorz
It's not French
It's not French
It's not French
It's not a French name
The English port of Dover is called Douvres in French
Calais is the French town closest to Dover, just across the Channel.
Douvres is the French name for the town of Dover on the English channel.
You chose the English to French category, and dover in French translates to Douvres. A quick search for a definition only returns proper names of locations for the meaning of Dover.
Douvres
Dunkirk
une limande
Pas de Calais
The English call it the Strait of Dover because it is named after the town of Dover on the English side. The French call it Pas-de-Calais because it is named after the Calais region on the French side.
Dover castle was attacked by French troops that first assaulted the castle and then dug tunnels underneath it trying to get in.
"How do you spell it in French?" is "Comment ça s'écrit en français?"
"Ajouter" is how you spell "add" in French.