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).
Samara
Samara has stayed fairly steady in American naming for generations. All-time it's been given to 22,769 U.S. babies, the 647th most common name by sound today, peaking at 1,270 in 2018, with 957 in 2025.
Samara has no common alternate spellings by sound.
Rising