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).
Prince
Prince climbed for decades and has been a steadily popular name ever since. All-time it's been given to 24,151 U.S. babies, the 764th most common name by sound today, peaking at 1,164 in 2019, with 703 in 2025.
Prince has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).