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).
Jake is now well below its former popularity. All-time it's been given to 129,539 U.S. babies, the 815th most common name by sound today, peaking at 4,487 in 2004, with 682 in 2025.
Jake has no common alternate spellings by sound.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).