Kaneki sits next to 2 phonetic neighbors — Kaneko and Kenichi are the closest matches by sound. Most share Kaneki's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Combined or doubled tree"
"part of the noble"
"dear one, beloved by the pool"
"intelligence, mind"
"one who lives near a spring or who springs"
"cold, icy in manner"
"possessing unlimited power"
"shelter, hut"
"Modern invented name with powerful, dynamic connotations"
"noble one (from Germanic adal)"
"narrow strait, channel"
"of the highest class or quality"
"victory of the people"
"wise, skilled marksman"
"from the hall or manor house"
Similar sound: These names share phonetic patterns with Kaneki — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Japanese origins, giving them the same cultural heritage as Kaneki.
Rhythm: Kaneki is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.