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).
Imani has been climbing in recent years. All-time it's been given to 52,325 U.S. babies, the 505th most common name by sound today, peaking at 1,829 in 1998, with 1,253 in 2025.
By sound, Imani also includes the spellings Amani, Emani.