Some Norman scribes avoided non-Latin characters and certain spellings in English and therefore the digraph "gh" arose as an alternative to yogh; still, the variety of pronunciations persisted, as evidenced by "cough", "taught", and "though". The process of replacing the yogh with "gh" was slow, and was not completed until the arrival of printing presses (which lacked yogh) in England around the end of the fifteenth century. Not every English word that contains a "gh" was originally spelled with a yogh: for example, "spaghetti" is Italian, where the "h" makes the "g" hard (i.e., instead of ); "ghoul" is Arabic, in which the "gh" was .