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"
"God is the giver"
"bright, splendid"
"of Delphi, the oracle city"
"diminutive of Antonio"
"flourishing, vigorous"
"soldier"
"father of many nations"
"borrowed, lent"
"asked of God"
"counsel + guardian"
"calf, young animal"
"greatest (superlative of great)"
"God is salvation (derived from Yoel/Joel)"
"the one who hates"
"connected to Silvanus, god of forests"
"protector, guardian"
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.