That's because in latin 'ph' was used in words from greek, but spanish uses 'f' AFAIK. Fun fact: russian language had no 'f' sound prior to cyrillic alphabet w

That's because in latin 'ph' was used in words from greek, but spanish uses 'f' AFAIK. Fun fact: russian language had no 'f' sound prior to cyrillic alphabet which has a letter for it.