Jupiter sits next to 2 phonetic neighbors — Juniper and Juliet are the closest matches by sound. Most share Jupiter's Latin/Proto-Indo-European-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"sky father, father god"
"protector of mankind"
"From the coast"
"little Goth, from the Germanic tribe"
"little Eliot"
"reborn + meadow/clearing (Ren + Lee)"
"grove clearing"
"member of the Gauls tribe"
"short nose (Latin nickname origin)"
"fair, pale, bright"
"dew of God, gentle rain"
"without equal; matchless"
"coral, the marine organism"
"dark-eyed one, hawk-eyed"
"desired, wished for"
"ancestor's descendant"
"divine timelessness, immortality"
"the Lord is my God"
"dear little Ana, gracious one"
"gentle strength, mild power"
"heavenly, divine"
Similar sound: These names share phonetic patterns with Jupiter — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin/Proto-Indo-European origins, giving them the same cultural heritage as Jupiter.
Rhythm: Jupiter is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.