Che sits next to 3 phonetic neighbors — Shay, Che, and Chay are the closest matches by sound. Most share Che's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"informal address, hey, buddy"
"of the Vergili clan"
"God is with us"
"calf, young animal"
"dolphin"
"diminutive of Antonio"
"little elk / noble one (Germanic interpretation)"
"connected to Silvanus, god of forests"
"maile vine (sacred Hawaiian plant)"
"who is like God?"
"new house"
"protector, guardian"
"lion of men"
"the greatest, most excellent"
"celestial body, light in the darkness"
"God is the giver"
Similar sound: These names share phonetic patterns with Che — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Mapuche/Argentine Spanish origins, giving them the same cultural heritage as Che.
Rhythm: Che is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.