Justus sits next to 4 phonetic neighbors — Justin, Augustus, and Justice are the closest matches by sound. Most share Justus's German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"just, righteous, upright"
"son of Jen (John)"
"son of Kenneth / son of Coinneach"
"pebbly place, bald clearing"
"farmer, estate steward"
"order, universe"
"pointed mountain, hill"
"man from Sebastia"
"oak meadow, clearing in the oaks"
"trustworthy one"
"YHWH saves"
"one touched by good fortune"
"rival, eager to emulate"
"twin"
"from the forest, woodland dweller"
"darling, beloved"
"steep valley settlement"
"peace, gentle"
"from the hazel tree settlement"
"youthful, downy-bearded (first beard)"
Similar sound: These names share phonetic patterns with Justus — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Justus.
Rhythm: Justus is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.