Neo sits next to 4 phonetic neighbors — Leo, Theo, and Nico are the closest matches by sound. Most share Neo's African-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"new"
"fair administration of law"
"highest point, God's place"
"little ancient one"
"free man"
"the fifth-born child"
"to run fast, a burst of speed"
"remedy, cure (folk etymology)"
"sweetheart, dear one"
"flower (from Greek anthos)"
"God is gracious (via John)"
"brave, bold"
"pledge, security deposit"
"from Denmark, a Dane"
"bold and modern (cultural meaning)"
"noble, handsome"
"praise through music"
"brook, running water"
"short form of Asher (happy, blessed)"
Similar sound: These names share phonetic patterns with Neo — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek neos origins, giving them the same cultural heritage as Neo.
Rhythm: Neo is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.