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).

Brenda

Brenda was more common in the past and has since settled at a lower, steady level. All-time it's been given to 610,597 U.S. babies, the 1,870th most common name by sound today, peaking at 24,395 in 1957, with 139 in 2025.

Brenda has no common alternate spellings by sound.

Rising