Neko sits next to 4 phonetic neighbors — Echo, Nico, and Niko are the closest matches by sound. Most share Neko's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"cat"
"wayfarer, wanderer"
"son of Dionysus"
"creative American name, rhythmic and strong"
"modern American coinage"
"warrior in the field"
"gift of God (by association with Zay names)"
"pure, innocent"
"to carry, to bear"
"God has heard"
"modern creative compound: Ke- + Andre"
"sea god, messenger of the deep"
"tailor, cloth cutter"
"descendant of Bradan (salmon)"
"to carry, to endure"
"passionate devotion, fervor"
"modern invented name with phonetic appeal"
"God persists, God will prevail"
"modern expansion of Azariah"
"place of the Koniag people"
"builder, craftsman"
Similar sound: These names share phonetic patterns with Neko — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Japanese origins, giving them the same cultural heritage as Neko.
Rhythm: Neko is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.