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).
Jaxton has been slowly declining from its former popularity. All-time it's been given to 11,035 U.S. babies, the 1,047th most common name by sound today, peaking at 966 in 2018, with 410 in 2025.
Jaxton has no common alternate spellings by sound.