Zorin sits next to 4 phonetic neighbors — Dorian, Soren, and Orin are the closest matches by sound. Most share Zorin's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"dawn, son of dawn"
"holly tree, evergreen plant with red berries"
"universe, world"
"one who has taken refuge"
"flat plain, fertile coastal plain of Israel"
"son of Edward"
"dweller near the holly trees"
"from France (the land of the Franks)"
"ruler, chief"
"Royal meadow; kings clearing"
"short form of Critias"
"Border land by the meadow"
"island of roses"
Similar sound: These names share phonetic patterns with Zorin — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Slavic origins, giving them the same cultural heritage as Zorin.
Rhythm: Zorin is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.