How to read the band →
Solid line = floor (spellings that unambiguously belong to the group). Shaded band up to the dashed edge = ceiling (the most it could reach if every ambiguous spelling counted here).
Ahmed
Ahmed has stayed fairly steady in American naming for generations. All-time it's been given to 17,282 U.S. babies, the 1,229th most common name by sound today, peaking at 590 in 2015, with 382 in 2025.
Ahmed has no common alternate spellings by sound.
Rising