Darrius sits next to 4 phonetic neighbors — Darius, Darian, and Darren are the closest matches by sound. Most share Darrius's Persian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"he who holds firm the good"
"to emit light, be radiant"
"God is gracious"
"town in the forest (alternate etymology)"
"precious, incomparable"
"hardworking; powerful"
"son of John (God is gracious)"
"lord of the border territories"
"lion-like"
"steward, estate guardian"
"mortal being"
"beautiful; fair"
"victory of the people (as short form of Nicholas)"
"slender"
"bearer of Christ"
"noble, prince (from Arabic -mir)"
"truly brave, genuinely bold"
"companion, close friend"
"completion, eternity"
"the Promised Land, holy city"
Similar sound: These names share phonetic patterns with Darrius — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Persian origins, giving them the same cultural heritage as Darrius.
Rhythm: Darrius is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.