Koby sits next to 4 phonetic neighbors — Kobe, Coby, and Colby are the closest matches by sound. Most share Koby's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"supplanter, one who follows at the heel"
"variant of Drew, meaning manly/strong"
"ocean person"
"settlement near the sword hill"
"son of Jet, swift one"
"settlement by the bridge"
"invented modern name, no classical meaning"
"inspired counsel"
"vision during sleep, aspiration"
"rough waters, hard stream"
"son of Elijah"
"reed clearing"
"renowned in battle"
"little dark one"
"God is most high"
"God helps"
"champion, expert"
"strength of God, God is my light"
"son of the spear-ruler (Gerald = Geirald)"
"son of my sorrow (original birth name Ben-Oni)"
Similar sound: These names share phonetic patterns with Koby — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Koby.
Rhythm: Koby is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.