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).
Cesar
Cesar was more common in the past and has since settled at a lower, steady level. All-time it's been given to 79,139 U.S. babies, the 733rd most common name by sound today, peaking at 2,538 in 2004, with 824 in 2025.
Cesar has no common alternate spellings by sound.
Rising