Coby sits next to 3 phonetic neighbors — Koby, Cody, and Kobe are the closest matches by sound. Most share Coby's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"supplanter, one who replaces another"
"that which is true or real"
"dear, gracious, beloved"
"swift projectile, arrow"
"people's power"
"linden tree, lime tree"
"hero, protector (fictional)"
"one who resembles God"
"champion"
"from Airelle (a place in Normandy, France)"
"invented modern American name"
"crooked hill; bent (cam) nose (sron)"
"sweet-smelling resin"
"modern invention with spiritual connotation"
"from Scotland, Scotsman"
"light, illumination"
"of the Vergilii clan, flourishing"
"hawk-like"
"thankful, grateful"
"growth, abundance, increase"
"east settlement, eastern village"
Similar sound: These names share phonetic patterns with Coby — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Coby.
Rhythm: Coby is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.