Jane sits next to 3 phonetic neighbors — Jean, Joan, and Jan are the closest matches by sound. Most share Jane's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"ruler of the household"
"flower named for botanist Pierre Magnol"
"woodland clearing"
"moon goddess"
"graceful waterfall"
"my God is an oath"
"protector of men"
"elm tree"
"night"
"royalty, of noble rank"
"goddess of the hunt and moon"
"forest, wood"
"musical concord, agreement"
"God is gracious"
"pleasant wood; meadow near a lake"
"shining light, bright one"
"daughter of the sun (folk etymology)"
"born of fire, bright one's son"
"noble natured"
"mother, great one"
Similar sound: These names share phonetic patterns with Jane — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Latin and Old French origins, giving them the same cultural heritage as Jane.
Rhythm: Jane is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.