What is the difference between ahmad and ahmed?

Answer 1

I am not going to describe the meaning of Ahmad and Ahmed. I just want to discuss and let you people think that which one of the names is in Quran. because I usually hear and read both of the names but if you write them in arabic then Ahmad has ZABAR and Ahmed has ZAIR. So I thought to check the correct one in Quran. The name Ahmad (ZABAR) is in surah As-Saff (61:6);