Jovian sits next to 4 phonetic neighbors — Jovaan, Dorian, and Fabian are the closest matches by sound. Most share Jovian's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"joyful, jovial (from the same root)"
"modern blend of Jay + -ren"
"pure, innocent"
"stern, severe, serious"
"spear, warrior"
"one who wrangles livestock; a cowboy"
"imperial authority"
"doctor, healer"
"son of Rollin, son of Roland"
"olive tree man"
"bear king"
"son of Dionysus"
"son of Day, child of daylight"
"warrior in the field"
"healer"
"ornament, necklace"
"keen ruler, bold king"
"belonging to the Lord"
"rock (via Peter)"
"beloved, praised"
"who is like God?"
Similar sound: These names share phonetic patterns with Jovian — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Jovian.
Rhythm: Jovian is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.