Julius sits next to 4 phonetic neighbors — Julian, Jules, and Cornelius are the closest matches by sound. Most share Julius's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of the Julian clan, youthful"
"great, venerable, majestic"
"rising in the sky, boundary"
"dispenser of provisions, household steward"
"possibly from a- (not) + treo (tremble)"
"Frankish person"
"one who serves"
"of Mars, warlike"
"asked of God"
"brave advisor"
"first, chief"
"long narrow hill"
"growth, abundance"
"from the brushwood thicket"
"gift, from the sea"
"descendant of Grádaigh"
"one who lives near a riverbank"
"morning"
"steadfast, firm"
"dark man's settlement, coal-black farm"
"God is good; Yahweh is good"
Similar sound: These names share phonetic patterns with Julius — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Julius.
Rhythm: Julius is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.