This sword is said to be made in 13th century, possibly in Germany and found in England. The languages used in England at the time are Latin, Middle-English and French, non of which use the letter W. This means that a part of the inscription could be in German. Nostrum Dominus or Nomine Domini (name of the Lord) XOX (Holy Trinity) CH Christus WDR different spelling or misspelling for Vater, Father meaning God G Gheist (The Holy Ghost) HD Heillige Dreieinigkeit (The Holy Trinity) XO (reference to two of the Holy Trinity) RVI (It sounds and looks un-German and more Latin-like. Could be Rex Vincit - The Lord conquers. The XO befor could then refer to Jesus and Holy Ghost)